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Taseqite

A valid IMA mineral species

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Photos of Taseqite (5)

Taseqite Gallery Search Photos of Taseqite

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Taseqite

Kukisvumchorr Mt, Khibiny Massif, Murmansk Oblast, Russia

Taseqite

Alluaiv Mountain, Lovozersky District, Murmansk Oblast, Russia

Taseqite

Alluaiv Mountain, Lovozersky District, Murmansk Oblast, Russia

Taseqite

Taseqite occurrence, Taseq Slope, Ilímaussaq complex, Kujalleq, Greenland

Taseqite

Kukisvumchorr Mt, Khibiny Massif, Murmansk Oblast, Russia

Taseqite

Alluaiv Mountain, Lovozersky District, Murmansk Oblast, Russia

Taseqite

Taseqite occurrence, Taseq Slope, Ilímaussaq complex, Kujalleq, Greenland

Taseqite

Kukisvumchorr Mt, Khibiny Massif, Murmansk Oblast, Russia

Taseqite

Alluaiv Mountain, Lovozersky District, Murmansk Oblast, Russia

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About TaseqiteHide

Taseq slope

Taseq Slope, Ilímaussaq complex, Kujalleq, Greenland

Formula:

Na₁₂Sr₃Ca₆Fe₃Zr₃Nb[(Si₃O₉)₂(Si₉O₂₇)₂SiO]Cl₂(O,OH,H₂O)₃

Colour:

dark brown to yellowish brown, lemon yellow

Lustre:

Vitreous

Hardness:

5½

Specific Gravity:

3.24

Crystal System:

Trigonal

Member of:

Eudialyte Group

Name:

For the type locality, Taseq slope, Illimaussaq complex, Greenland.

Type Locality:

ⓘ Taseqite occurrence, Taseq Slope, Ilímaussaq complex, Kujalleq, Greenland

A Cl-deficient analogue is known from the Odikhincha massif (Zaitsev et al., 2022).

Unique IdentifiersHide

Mindat ID:

26453

Long-form identifier:

mindat:1:1:26453:4

GUID
(UUID V4):

d9c5c4a8-936a-4c66-83a1-4e7720571122

IMA Classification of TaseqiteHide

IMA status:

Approved

IMA Formula:

Na₁₂Sr₃Ca₆Fe₃Zr₃NbSi₂₅O₇₃(O,OH,H₂O)₃Cl₂

Approval year:

2002

First published:

2004

Type description reference:

Petersen, O. V., Johnsen, O., Gault, R. A., Niedermayr, G., Grice, J. D. (2004) Taseqite, a new member of the eudialyte group from the Ilímaussaq alkaline complex, South Greenland. Neues Jahrbuch für Mineralogie - Monatshefte, 2004 (2) 83-96 doi:10.1127/0028-3649/2004/2004-0083

Classification of TaseqiteHide

Strunz-mindat (2024):

9.CO.10

9 : SILICATES (Germanates)
C : Cyclosilicates
O : [Si₉O₂₇]₁₈- 9-membered rings

Dana 8th ed.:

64.1.8.

64 : CYCLOSILICATES Rings with Other Anions and Insular Silicate Groups
1 : Rings with Other Anions and Insular Silicate Groups with mixed ring types

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Tsq	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of TaseqiteHide

Lustre:

Vitreous

Transparency:

Transparent

Colour:

dark brown to yellowish brown, lemon yellow

Streak:

brownish white

Hardness:

5½ on Mohs scale

Tenacity:

Brittle

Cleavage:

Distinct/Good
on {0001}

Fracture:

Conchoidal

Density:

3.24 g/cm³ (Measured)

Optical Data of TaseqiteHide

Type:

Uniaxial (-)

RI values:

n_ω = 1.649 n_ε = 1.638

Max Birefringence:

δ = 0.012

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Moderate

Chemistry of TaseqiteHide

Mindat Formula:

Na₁₂Sr₃Ca₆Fe₃Zr₃Nb[(Si₃O₉)₂(Si₉O₂₇)₂SiO]Cl₂(O,OH,H₂O)₃

Elements listed:

Ca, Cl, Fe, H, Na, Nb, O, Si, Sr, Zr - search for minerals with similar chemistry

Common Impurities:

K,Mn;REE,Hf,Ta,Sn,(original,material)

Crystallography of TaseqiteHide

Crystal System:

Trigonal

Class (H-M):

3m - Ditrigonal Pyramidal

Space Group:

R3m

Setting:

R3m

Cell Parameters:

a = 14.28 Å, c = 29.99 Å

Ratio:

a:c = 1 : 2.1

Unit Cell V:

5,296.19 Å³ (Calculated from Unit Cell)

Morphology:

pinacoid {0001},
six-sided prism {1120},
three-sided prisms {1010}, {0110},
trigonal pyramids {1011}, {0112}, {0111}, {0112}, rarely {0221} and {2021}

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0014930	Taseqite	Petersen O V, Johnsen O, Gault R A, Niedermayr G, Grice J D (2004) Taseqite, a new member of the eudialyte group from the Ilimaussaq alkaline complex, South Greenland Neues Jahrbuch fur Mineralogie, Monatshefte 2004 83-96		2004	Ilimaussaq alkaline complex, South Greenland	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Taseqite'
loop_
_publ_author_name
'Petersen O V'
'Johnsen O'
'Gault R A'
'Niedermayr G'
'Grice J D'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_volume 2004 
_journal_year 2004
_journal_page_first 83
_journal_page_last 96
_publ_section_title
;
 Taseqite, a new member of the eudialyte group from the Ilimaussaq alkaline complex, South Greenland
 Note: water and OHs located at O20 and O21
;
_database_code_amcsd 0014930
_chemical_compound_source 'Ilimaussaq alkaline complex, South Greenland'
_chemical_formula_sum 'Ca5.151 Mn1.503 Sr3.87 Y.138 Fe1.932 Nb1.27 Si24.45 Na10.65 K.171 Zr2.88 Hf.051 Sn.03 O76.401 Cl1.74'
_cell_length_a 14.2828
_cell_length_b 14.2828
_cell_length_c 30.0222
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 5303.955
_exptl_crystal_density_diffrn      3.159
_symmetry_space_group_name_H-M 'R 3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'x,x-y,z'
  '2/3+x,1/3+x-y,1/3+z'
  '1/3+x,2/3+x-y,2/3+z'
  '-y,-x,z'
  '2/3-y,1/3-x,1/3+z'
  '1/3-y,2/3-x,2/3+z'
  '-x+y,y,z'
  '2/3-x+y,1/3+y,1/3+z'
  '1/3-x+y,2/3+y,2/3+z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
CaM1   0.40490   0.07360   0.83240   0.83000
MnM1   0.40490   0.07360   0.83240   0.09700
SrM1   0.40490   0.07360   0.83240   0.05000
YM1   0.40490   0.07360   0.83240   0.02300
FeM25   0.18430   0.81570   0.83020   0.41700
MnM25   0.18430   0.81570   0.83020   0.30700
FeM24   0.16140   0.83860   0.83620   0.22700
NbM3   0.00000   0.00000   0.13170   0.97000
SiM4   0.00000   0.00000   0.92260   0.45000
NbM4a   0.00000   0.00000   0.87140   0.30000
NaN1   0.76410   0.23590   0.99330   0.88700
KN1   0.76410   0.23590   0.99330   0.05700
CaN1   0.76410   0.23590   0.99330   0.05700
NaN2   0.56300   0.43700   0.67600   1.02300
NaN3   0.90320   0.09680   0.78500   0.63300
SrN3   0.90320   0.09680   0.78500   0.36700
SrN4   0.43350   0.56650   0.88240   0.82300
NaN4   0.43350   0.56650   0.88240   0.17700
NaN5   0.26540   0.73460   0.68850   0.85300
Zr   0.50240   0.49760   0.00000   0.96000
Hf   0.50240   0.49760   0.00000   0.01700
Sn   0.50240   0.49760   0.00000   0.01000
Si2   0.73710   0.26290   0.75010   1.00000
Si3   0.59660   0.40340   0.91370   1.00000
Si4   0.46000   0.54000   0.75550   1.00000
Si5   0.87580   0.12420   0.90840   1.00000
Si6   0.05680   0.32750   0.73580   1.00000
Si7   0.27510  -0.06200   0.93080   1.00000
O1   0.60560   0.39440   0.75300   1.00000
O2   0.77820   0.22180   0.78980   1.00000
O3   0.76460   0.23540   0.70090   1.00000
O4   0.72870   0.27130   0.90760   1.00000
O5   0.55090   0.44910   0.87680   1.00000
O6   0.90710   0.09290   0.63020   1.00000
O7   0.38940  -0.04000   0.72510   1.00000
O8   0.48520   0.51480   0.80470   1.00000
O9   0.39600   0.60400   0.75380   1.00000
O10   0.28250   0.05470   0.94060   1.00000
O11   0.84670   0.15330   0.86150   1.00000
O12   0.94080   0.05920   0.90250   1.00000
O13   0.70070   0.10300   0.62510   1.00000
O14   0.29040   0.92430   0.87890   1.00000
O15   0.15770   0.84230   0.94960   1.00000
O16   0.25370   0.22670   0.70650   1.00000
O17   0.04710   0.30440   0.78810   1.00000
O18   0.17930   0.82070   0.71950   1.00000
O19   0.26930   0.73070   0.83260   0.92700
Cl1aX   0.00000   0.00000   0.27220   0.91000
Cl2aX   0.00000   0.00000   0.72630   0.41500
O20   0.00000   0.00000   0.97330   0.50000
O20a   0.00000   0.00000   0.02300   0.22000
O21  -0.14300  -0.07150   0.83290   0.30000
Cl2bX   0.00000   0.00000   0.75900   0.41500
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
CaM1 0.01400 0.01300 0.01700 0.00100 -0.00100 0.00700
MnM1 0.01400 0.01300 0.01700 0.00100 -0.00100 0.00700
SrM1 0.01400 0.01300 0.01700 0.00100 -0.00100 0.00700
YM1 0.01400 0.01300 0.01700 0.00100 -0.00100 0.00700
FeM25 0.00900 0.00900 0.01300 0.00000 0.00000 0.00200
MnM25 0.00900 0.00900 0.01300 0.00000 0.00000 0.00200
FeM24 0.03900 0.03900 0.00900 0.00000 0.00000 -0.01400
NbM3 0.01000 0.01000 0.02300 0.00000 0.00000 0.00500
SiM4 0.01000 0.01000 0.02600 0.00000 0.00000 0.00500
NbM4a 0.03700 0.03700 0.11900 0.00000 0.00000 0.01900
NaN1 0.04600 0.04600 0.05800 0.03400 -0.03400 -0.01300
KN1 0.04600 0.04600 0.05800 0.03400 -0.03400 -0.01300
CaN1 0.04600 0.04600 0.05800 0.03400 -0.03400 -0.01300
NaN2 0.03000 0.03000 0.03900 0.01100 -0.01100 0.00100
NaN3 0.01800 0.01800 0.03000 -0.00200 0.00200 0.00100
SrN3 0.01800 0.01800 0.03000 -0.00200 0.00200 0.00100
SrN4 0.01200 0.01200 0.02100 0.00000 0.00000 0.00400
NaN4 0.01200 0.01200 0.02100 0.00000 0.00000 0.00400
NaN5 0.10600 0.10600 0.08200 -0.00200 0.00200 0.06200
Zr 0.00900 0.00900 0.01400 0.00000 0.00000 0.00500
Hf 0.00900 0.00900 0.01400 0.00000 0.00000 0.00500
Sn 0.00900 0.00900 0.01400 0.00000 0.00000 0.00500
Si2 0.01500 0.01500 0.01600 0.00300 -0.00300 0.01000
Si3 0.01300 0.01300 0.01500 -0.00200 0.00200 0.00600
Si4 0.01200 0.01200 0.01900 0.00100 -0.00100 0.00600
Si5 0.01200 0.01200 0.02300 0.00200 -0.00200 0.00200
Si6 0.01300 0.01200 0.01700 -0.00200 -0.00200 0.00700
Si7 0.01200 0.01000 0.01500 0.00000 0.00000 0.00500
O1 0.02000 0.02000 0.03400 0.00600 -0.00600 0.01700
O2 0.02400 0.02400 0.03900 0.01200 -0.01200 0.00600
O3 0.03000 0.03000 0.02600 -0.00500 0.00500 0.01700
O4 0.01200 0.01200 0.03700 -0.00600 0.00600 0.00100
O5 0.01900 0.01900 0.02500 0.00200 -0.00200 0.01300
O6 0.02000 0.02000 0.01000 -0.00200 0.00200 0.01400
O7 0.01000 0.01600 0.03100 0.00300 -0.00300 0.00800
O8 0.01700 0.01700 0.01900 0.00600 -0.00600 0.00200
O9 0.02700 0.02700 0.03200 -0.00500 0.00500 0.01700
O10 0.05900 0.02300 0.02400 -0.01000 -0.01200 0.03000
O11 0.01800 0.01800 0.03100 0.00300 -0.00300 0.00800
O12 0.03900 0.03900 0.07400 0.00500 -0.00500 0.03100
O13 0.01400 0.02400 0.03500 -0.00200 -0.00400 0.01300
O14 0.01600 0.01300 0.02700 -0.00600 -0.00100 0.00400
O15 0.01200 0.01200 0.02400 -0.00200 0.00200 -0.00500
O16 0.02200 0.01900 0.02800 -0.00300 0.00100 0.01300
O17 0.02400 0.03000 0.00400 -0.00400 0.00200 0.01500
O18 0.01600 0.01600 0.02700 0.00000 0.00000 0.00800
O19 0.01700 0.01700 0.03700 -0.00300 0.00300 0.00900
Cl1aX 0.02600 0.02600 0.03000 0.00000 0.00000 0.01300
Cl2aX 0.03800 0.03800 0.03500 0.00000 0.00000 0.01900

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
9.51 Å	(90)
3.43 Å	(90)
2.98 Å	(100)
2.86 Å	(100)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 4b: Highly evolved igneous rocks	>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of TaseqiteHide

Type Locality:

ⓘ Taseqite occurrence, Taseq Slope, Ilímaussaq complex, Kujalleq, Greenland

General Appearance of Type Material:

thin tabular crystals to 3 mm

Place of Conservation of Type Material:

Geological Museum, Copenhagen, Denmark.

Empirical Formula of Type Material:

(Na_8.81Sr_4.78K_{/sub>0_.17Ce_0.02)_Σ13.78(Ca_5.17Mn_0.59Y_0.09)_Σ2.85(Fe_1.93Mn_0.92)_Σ2.85(Zr_2.84Nb_0.11Hf_0.05)_Σ3.00(Nb_1.06Ta₀₀₄Sn_0.03)_Σ1.13Si_24.55O₇₃(O_1.65OH_0.75(H₂O)_0.74)_Σ3.14(Cl_1.91OH_0.09)_Σ2.00}

Chemical Analysis of Type Material:

Na₂O	7.71 %
K₂O	0.23 %
CaO	8.19 %
SrO	13.98 %
MnO	3.02 %
FeO	3.92 %
Y₂O₃	0.28 %
Ce₂O₃	0.08 %
SnO₂	0.13 %
ZrO₂	9.89 %
HfO₂	0.32 %
Nb₂O₅	4.38 %
Ta₂O₅	0.24 %
SiO₂	41.64 %
Cl	1.91 %
H₂O	0.59 %
O=Cl	-0.43 %
Total:	96.08 %

Geological Setting of Type Material:

in vugs of a hydrothermally formed albitite vein

Associated Minerals at Type Locality:

Strontianite	Sphalerite	Pectolite	Hemimorphite	Fluorapatite
Ferrobustamite	Dolomite	Catapleiite	Calcite	Ancylite-(La)
Analcime	Albite	Aegirine

Reference:

Petersen, O.V., Johnsen, O., Gault, R.A., Niedermayr, G., Grice, J.D. (2004) Taseqite, a new member of the eudialyte group from the Ilímaussaq alkaline complex, South Greenland. Neues Jahrbuch für Mineralogie, Monatshefte: 2004: 83-96.

Synonyms of TaseqiteHide

IMA2002-055

UM2000-66- SiO:CaClFeHMnNaNbSrZr

Other Language Names for TaseqiteHide

German:Taseqit

Simplified Chinese:塔异性石

Traditional Chinese:塔異性石

Relationship of Taseqite to other SpeciesHide

Member of:

Eudialyte Group

Other Members of this group:

Alluaivite	Na₁₉(Ca,Mn)₆(Ti,Nb)₃Si₂₆O₇₄Cl · 2H₂O	Trig. 3m (3 2/m) : R3m
Amableite-(Ce)	Na₁₅[(Ce_1.5Na_1.5)Mn₃]Mn₂Zr₃◻Si[Si₂₄O₆₉(OH)₃](OH)₂ · H₂O	Trig. 3 : R3
Andrianovite	Na₁₂(K,Sr,Ce)₃Ca₆Mn₃Zr₃Nb(Si₂₅O₇₃)(O,H₂O,OH)₅	Trig. 3m : R3m
Aqualite	(H₃O)₈(Na,K,Sr)₅Ca₆Zr₃Si₂₆O₆₆(OH)₉Cl	Trig. 3 : R3
Carbokentbrooksite	(Na₃Na₃Na₃Na₃Na₃)Ca₆(^VMn²⁺₃)Zr₃[Si₃O₉]₂[Si₉O₂₇SiO][Si₉O₂₇Nb(OH)₃](CO₃)(H₂O)	Trig. 3m : R3m
Davinciite	Na₁₂K₃Ca₆Fe²⁺₃Zr₃(Si₂₆O₇₃OH)Cl₂	Trig. 3m : R3m
Dualite	Na₃₀(Ca,Na,Ce,Sr)₁₂(Na,Mn,Fe,Ti)₆Zr₃Ti₃Mn[Si₅₁O₁₄₄](OH,H₂O,Cl)₉	Trig. 3m : R3m
Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂	Trig. 3m (3 2/m) : R3m
Feklichevite	Na₁₁Ca₉(Fe³⁺,Fe²⁺)₂Zr₃Nb[Si₂₅O₇₃](OH,H₂O,Cl,O)₅	Trig. 3m : R3m
Fengchengite	Na₁₂◻₃(Ca,Sr)₆Fe³⁺₃ Zr₃Si(Si₂₅O₇₃)(H₂O,OH)₃(OH,Cl)₂	Trig. 3m (3 2/m) : R3m
Ferrokentbrooksite	Na₁₅Ca₆(Fe,Mn)₃Zr₃NbSi₂₅O₇₃(O,OH,H₂O)₃Cl₂	Trig. 3m : R3m
Georgbarsanovite	Na₁₂(Mn,Sr,REE)₃Ca₆Fe²⁺₃Zr₃NbSi₂₅O₇₆Cl₂ · H₂O	Trig. 3m : R3m
Golyshevite	Na₁₀Ca₃Ca₆Zr₃Fe₂SiNb(Si₃O₉)₂(Si₉O₂₇)₂CO₃(OH)₃ · H₂O	Trig. 3m : R3m
Hydrorastsvetaevite	(Na₁₁(H₃O)₁₁K₆(H₂O)_1.5Sr)Ca₁₂Fe₃Na₂MnZr₆Si₅₂O₁₄₄(OH)_4.5Cl_3.5	Trig. 3m : R3m
Ikranite	(Na,H₃O)₁₅(Ca,Mn²⁺)₆Fe³⁺₂Zr₃[H_0-3Si₃O₉)₂(Si₉O₂₇)₂SiO]Cl · 2-3H₂O	Trig. 3m : R3m
Ilyukhinite	(H₃O,Na)₁₄Ca₆Mn₂Zr₃Si₂₆O₇₂(OH)₂ · 3H₂O	Trig. 3m : R3m
Johnsenite-(Ce)	Na₁₂Ce₃Ca₆Mn₃Zr₃WSi₂₅O₇₃(CO₃)(OH)₂	Trig. 3m : R3m
Kentbrooksite	(Na,REE)₁₅(Ca,REE)₆(Mn²⁺,Fe²⁺)₃Zr₃Nb[Si₂₅O₇₄]F₂ · 2H₂O	Trig. 3m : R3m
Khomyakovite	Na₁₂Sr₃Ca₆Fe₃Zr₃W[Si₂₅O₇₃](O,OH,H₂O)₃(OH,Cl)₂	Trig. 3m : R3m
Labyrinthite	(Na,K,Sr)₃₅Ca₁₂Fe₃Zr₆TiSi₅₁O₁₄₄(O,OH,H₂O)₉Cl₃	Trig. 3 : R3
Manganoeudialyte	Na₁₄Ca₆Mn₃Zr₃[Si₂₆O₇₂(OH)₂](H₂O,Cl,O,OH)₆	Trig. 3m : R3m
Manganokhomyakovite	Na₁₂Sr₃Ca₆Mn₃Zr₃W[Si₂₅O₇₃](O,OH,H₂O)₃(OH,Cl)₂	Trig. 3m : R3m
Mogovidite	Na₉(Ca,Na)₁₂Fe₂Zr₃Si₂₅O₇₂(CO₃) (OH)₄	Trig. 3m : R3m
Odikhinchaite	Na₉Sr₃[(H₂O)₂Na]Ca₆Mn₃Zr₃NbSi (Si₂₄O₇₂)O(OH)₃(CO₃) · H₂O	Trig. 3m : R3m
Oneillite	Na₁₅Ca₃Mn₃Fe²⁺₃Zr₃Nb(Si₂₅O₇₃)(O,OH,H₂O)₃(OH,Cl)₂	Trig. 3 : R3
Raslakite	Na₁₅Ca₃Fe²⁺₃(Na,Zr)₃Zr₃(Si,Nb)[(Si₃O₉)₂(Si₉O₂₇)₂SiO](OH,H₂O)₃(Cl,OH)	Trig. 3 : R3
Rastsvetaevite	Na₂₇K₈Ca₁₂Fe₃Zr₆Si₅₂O₁₄₄(O,OH,H₂O)₆Cl₂	Trig. 3m : R3m
Selsurtite	(H₃O)₁₂Na₃(Ca₃Mn₃)(Na₂Fe)Zr₃◻{Si(Si₃O₉)₂(Si₉O₂₇)Si₉O₂₄(OH)₃}(OH)Cl(H₂O)	Trig. 3 : R3
Sergevanite	Na₁₅(Ca₃Mn₃)(Na₂Fe)Zr₃Si₂₆O₇₂(OH)₃ · H₂O	Trig. 3 : R3
Siudaite	Na₈(Mn²⁺₂Na)Ca₆(Fe³⁺,Mn²⁺)₃Zr₃NbSi₂₄(Si,◻,Ti)O₇₄(OH)₂Cl · 5H₂O	Trig. 3m : R3m
UM1971-22-SiO:CaClFeHMgMnNaNbZr	Na₁₂Ca₅(Ce,La,Y,Ca)Zr₃(Zr,Nb)(Fe,Mn)₃[Si₉O_24-26(OH)_1-3]₂[Si₃O₉]₂Cl	Trig. 3m : R3m
UM1990-78-SiO:CaClFeHKNaZr	(H₃O)₇(Na,K)₅(Ca,Sr,Mn)₆Zr₃[Si₃O₇(O,OH)₂]₂[Si₉O₂₃(O,OH)₄]2[SiNaFe(Zr,Ti,Al,Nb)◻]Cl_1.5(O,OH)	Trig. 3m : R3m
UM1990-79-SiO:CaClFeHMnNaNbREEZr	Na₁₄Ca₅(Mg,Ca,Mn)Zr₃(Si₃O₉)₂(Si₉O₂₇)₂(Si,Nb,Al,Zr)₂(Fe,Zr)₃(Mn,Na,Ce,La,Y)(Na,H₂O,K,Sr)(OH)_4-5(OH,Cl)
UM1990-80-SiO:CaFeHMnNaNbREEZr	Na₁₄Ca₄(Mn,Ca)₂Zr₃(Si₃O₉)₂(Si₉O₂₇)₂(Si,Nb,Al,Zr)₂(Fe,Mn,Al,Ti)₃(Na,Ce,La,Y,Mn)(Na,H₂O,K,Sr)(OH)_7-8
UM1998-21-SiO:CaCeClHMnNaZr	Na₁₆Ca₆(Mn,Ce)₃Zr₃(Si₃O₉)₂(Si₉O₂₇)₂(OH,Cl)₄ · nH₂O	Trig. 3m : R3m
UM1999-36-SiO:CaCeHMnNaNbSrZr	Na₁₇(Ca,Ce,Sr)₂Mn₃(Zr,Nb)₄Si₂₅O₇₃(O,OH,F,Cl)₅	Trig. 3 : R3
UM2000-66-SiO:CaClFeHMnNaNbSrZr	Na₁₂(Ca,Mn)₆(Sr,Na,K)₃(Fe,Mn)₃(Zr,Nb)₄Si₂₅O₆₆(OH,Cl)₁₁	Trig. 3m : R3m
UM2000-67-SiO:CaClFeHMnNaNbZr	Zr4(Ca,Na,Mn,Fe)6(Fe,Mn,Ti)3Na17Si25O75(Al,Nb,Ti)Cl(OH)4.H2O	Trig. 3m : R3m
UM2000-80- SiO:CaCeFFeHMnNaNbTiZr	Na₁₄(Na,Ca,Ce)(Mn,Ca,Ce)[Fe_1.55(Zr,Na)(◻,Ti,Nb)]Zr₃(Si,Al)(Si₃O₉)₂(Si₉O₂₇)₂(OH,O)₄(F ,Cl) · H₂O
UM2003-39-SiO:CaClFeHHfNaNbSrTaTiZr	Na₁₂(Na,K,Mn,Sr)₂Ca₅(Ca,Mn)(Zr,Hf)₃(Fe,◻,Ta)₃(Si,Nb,W)(Si,Al,Ti)Si₂₄O₇₂(OH,O)_3.5Cl · 1.2H₂O	Trig. 3m : R3m
UM2004-51-SiO:CaClFFeHNaNbTi	Na₁₆Ca₆(Fe,Mn)₃Zr₃(Ti,Nb)Si₂₆O₇₂FCl_0.5 · nH₂O	Trig. 3m : R3m
UM2005-36-SiO:AlBaCaClFeHKMnNaREESrTiZr	[(H₃O)_9.32Na_5.86K_0.53Ba_0.36Sr_0.15][Ca_5.22Sr_0.49Ce_0.16Mn_0.13][Zr_2.42Ti_0.54Hf_0.02Nb_0.02][Na_1.48(Fe
UM2005-37-SiO:AlBaCaClFeHKMnNaREESrTiZr	[(H₃O)_9.26Na_2.12K_1.20Ba_0.46Sr_0.48][Ca_5.76Ce_0.24][Zr2_.92Ti_0.08][Na_0.62(Fe_0.23Mn_0.11(H₂O)_0.34)][Si
UM2005-38-SiO:AlBaCaClFeHKMnNaNbREESrTiYZr	[(H₃O)_10.85Na_3.3Sr_0.48K_0.21Ce_0.2Y_0.1Ba_0.04][Ca_2.10Na_0.9][Ca_2.4Na_0.3Mn_0.3][Zr_2.97Hf_0.03][Fe_1.32
UM2005-39-SiO:AlBaCaClFeHKMnNaNbREESrTiYZr	[(H₃O)_11.61Na_3.0Sr_0.63Ce_0.22K_0.2Y_0.05Ba_0.03][Ca_2.25Na_0.75][Ca_2.4Mn0_.6][Zr_2.98Hf_0.02][Fe³⁺_0.66
UM2005-40-SiO:AlCaClFeHKMnNaNbREESrTiYZr	[(H₃O)_5.58Na5_.25Ce_0.63K_0.3Y_0.19Sr_0.05][Ca₃][Ca_1.71Mn_1.29][Zr_2.96Hf_0.04][(Fe³⁺_1.0Fe²⁺_0.35)(Fe³⁺
UM2005-41-SiO:BaCaFeHKMgMnNaNbREESrTiYZr	[(H₃O)_8.53Na_3.51Sr_0.55Ce_0.45Y_0.3Ba_0.15K_0.06][Ca_2.25Sr_0.45Na_0.3][Ca_2.4Mn_0.6][Zr_2.97Hf_0.03][(Mn_0.
UM2006-17-SiO:CaClFFeHMnNaZr	Na₁₅(Ca₃Mn₃)Zr₃(Fe,Zr)₃SiSi(Si₃O₉)₂(Si₉O₂₇)₂O₂(OH,F,Cl)₃ · 2H₂O
UM2006-18-SiO:CaClFFeHMnNaZr	Na₁₅Ca₃(Mn,Fe)₃Zr₃(Zr,Na)₃(Si,Nb)(S,Ti,Si)(Si₃O₉)₂(Si₉O₂₇)₂(O,OH)₅(Cl,F,H₂O)	Trig. 3 : R3
UM2006-28-SiO:CaHMnNaZr	Na₃₃Ca₁₂Zr₆Mn₃(Mn,Nb,Ti)₂Si₅₀O₁₃₂(O,OH)₁₂(OH,H₂O,Cl)₁₀
UM2010-06-SiO:CaFeHMnNaNbREETiZr	[Na,(H₃O)]₁₅(Ca₃Mn₃)Na₃Zr₃(Si,Ti)[Si₂₅O₇₂OH](OH)₂ · 2H₂O
Unnamed (Eudialyte 3248)	Na₂₉Ca₁₂Zr₆[Si₄₈O₁₃₂(O,OH)₁₂]{[Na]₄[Si]₂}{[Mn]₃[Mn,Nb,Ti]₂}(OH,H₂O,Cl)₁₀	Trig. 3m (3 2/m) : R3m
Unnamed (Hydrated Hydrous Na-Ca-Mn-Fe-Zr-Ti Silicate Chloride)	Na₃₇Ca₁₀Mn₂FeZr₆Si₅₀(Ti,Nb)₂O₁₄₄(OH)₅Cl₃ · H₂O	Trig. 3m : R3m
Unnamed (M4-vacant Sodium Calcium Manganese Zirconium Iron Silicon Hydroxyl Hydrated Eudialyte Group Species)	Na₁₃(Ca₃Mn₃)Zr₃(Fe, Mn)₃(◻)(Si)[Si₃O₉]₂[Si₉O₂₇]₂(O,OH,Cl)₃ · 2H₂O
Voronkovite	Na₁₅(Na,Ca,Ce)₃(Mn,Ca)₃Fe₃Zr₃Si₂₆O₇₂(OH,O)₄Cl · H₂O	Trig. 3 : R3
Zirsilite-(Ce)	Na_11-12(Ce,Na)₃Ca₆Mn₃Zr₃Nb(Si₁₉O₅₅)(Si₃O₉)₂(CO₃)(OH)₃ · H₂O	Trig. 3m : R3m

Related Minerals - Strunz-mindat Grouping Hide

9.CO.	Odikhinchaite	Na₉Sr₃[(H₂O)₂Na]Ca₆Mn₃Zr₃NbSi (Si₂₄O₇₂)O(OH)₃(CO₃) · H₂O	Trig. 3m : R3m
9.CO.10	Alluaivite	Na₁₉(Ca,Mn)₆(Ti,Nb)₃Si₂₆O₇₄Cl · 2H₂O	Trig. 3m (3 2/m) : R3m
9.CO.10	Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂	Trig. 3m (3 2/m) : R3m
9.CO.10	Ferrokentbrooksite	Na₁₅Ca₆(Fe,Mn)₃Zr₃NbSi₂₅O₇₃(O,OH,H₂O)₃Cl₂	Trig. 3m : R3m
9.CO.10	Kentbrooksite	(Na,REE)₁₅(Ca,REE)₆(Mn²⁺,Fe²⁺)₃Zr₃Nb[Si₂₅O₇₄]F₂ · 2H₂O	Trig. 3m : R3m
9.CO.10	Khomyakovite	Na₁₂Sr₃Ca₆Fe₃Zr₃W[Si₂₅O₇₃](O,OH,H₂O)₃(OH,Cl)₂	Trig. 3m : R3m
9.CO.10	Manganokhomyakovite	Na₁₂Sr₃Ca₆Mn₃Zr₃W[Si₂₅O₇₃](O,OH,H₂O)₃(OH,Cl)₂	Trig. 3m : R3m
9.CO.10	Oneillite	Na₁₅Ca₃Mn₃Fe²⁺₃Zr₃Nb(Si₂₅O₇₃)(O,OH,H₂O)₃(OH,Cl)₂	Trig. 3 : R3
9.CO.10	Raslakite	Na₁₅Ca₃Fe²⁺₃(Na,Zr)₃Zr₃(Si,Nb)[(Si₃O₉)₂(Si₉O₂₇)₂SiO](OH,H₂O)₃(Cl,OH)	Trig. 3 : R3
9.CO.10	Feklichevite	Na₁₁Ca₉(Fe³⁺,Fe²⁺)₂Zr₃Nb[Si₂₅O₇₃](OH,H₂O,Cl,O)₅	Trig. 3m : R3m
9.CO.10	Carbokentbrooksite	(Na₃Na₃Na₃Na₃Na₃)Ca₆(^VMn²⁺₃)Zr₃[Si₃O₉]₂[Si₉O₂₇SiO][Si₉O₂₇Nb(OH)₃](CO₃)(H₂O)	Trig. 3m : R3m
9.CO.10	Zirsilite-(Ce)	Na_11-12(Ce,Na)₃Ca₆Mn₃Zr₃Nb(Si₁₉O₅₅)(Si₃O₉)₂(CO₃)(OH)₃ · H₂O	Trig. 3m : R3m
9.CO.10	Ikranite	(Na,H₃O)₁₅(Ca,Mn²⁺)₆Fe³⁺₂Zr₃[H_0-3Si₃O₉)₂(Si₉O₂₇)₂SiO]Cl · 2-3H₂O	Trig. 3m : R3m
9.CO.10	Rastsvetaevite	Na₂₇K₈Ca₁₂Fe₃Zr₆Si₅₂O₁₄₄(O,OH,H₂O)₆Cl₂	Trig. 3m : R3m
9.CO.10	Golyshevite	Na₁₀Ca₃Ca₆Zr₃Fe₂SiNb(Si₃O₉)₂(Si₉O₂₇)₂CO₃(OH)₃ · H₂O	Trig. 3m : R3m
9.CO.10	Labyrinthite	(Na,K,Sr)₃₅Ca₁₂Fe₃Zr₆TiSi₅₁O₁₄₄(O,OH,H₂O)₉Cl₃	Trig. 3 : R3
9.CO.10	Johnsenite-(Ce)	Na₁₂Ce₃Ca₆Mn₃Zr₃WSi₂₅O₇₃(CO₃)(OH)₂	Trig. 3m : R3m
9.CO.10	Mogovidite	Na₉(Ca,Na)₁₂Fe₂Zr₃Si₂₅O₇₂(CO₃) (OH)₄	Trig. 3m : R3m
9.CO.10	Georgbarsanovite	Na₁₂(Mn,Sr,REE)₃Ca₆Fe²⁺₃Zr₃NbSi₂₅O₇₆Cl₂ · H₂O	Trig. 3m : R3m
9.CO.10	Aqualite	(H₃O)₈(Na,K,Sr)₅Ca₆Zr₃Si₂₆O₆₆(OH)₉Cl	Trig. 3 : R3
9.CO.10	Dualite	Na₃₀(Ca,Na,Ce,Sr)₁₂(Na,Mn,Fe,Ti)₆Zr₃Ti₃Mn[Si₅₁O₁₄₄](OH,H₂O,Cl)₉	Trig. 3m : R3m
9.CO.10	Andrianovite	Na₁₂(K,Sr,Ce)₃Ca₆Mn₃Zr₃Nb(Si₂₅O₇₃)(O,H₂O,OH)₅	Trig. 3m : R3m
9.CO.10	Voronkovite	Na₁₅(Na,Ca,Ce)₃(Mn,Ca)₃Fe₃Zr₃Si₂₆O₇₂(OH,O)₄Cl · H₂O	Trig. 3 : R3
9.CO.10	UM1999-36-SiO:CaCeHMnNaNbSrZr	Na₁₇(Ca,Ce,Sr)₂Mn₃(Zr,Nb)₄Si₂₅O₇₃(O,OH,F,Cl)₅	Trig. 3 : R3
9.CO.10	UM2000-66-SiO:CaClFeHMnNaNbSrZr	Na₁₂(Ca,Mn)₆(Sr,Na,K)₃(Fe,Mn)₃(Zr,Nb)₄Si₂₅O₆₆(OH,Cl)₁₁	Trig. 3m : R3m
9.CO.10	Manganoeudialyte	Na₁₄Ca₆Mn₃Zr₃[Si₂₆O₇₂(OH)₂](H₂O,Cl,O,OH)₆	Trig. 3m : R3m
9.CO.10	UM1990-78-SiO:CaClFeHKNaZr	(H₃O)₇(Na,K)₅(Ca,Sr,Mn)₆Zr₃[Si₃O₇(O,OH)₂]₂[Si₉O₂₃(O,OH)₄]2[SiNaFe(Zr,Ti,Al,Nb)◻]Cl_1.5(O,OH)	Trig. 3m : R3m
9.CO.10	UM1990-79-SiO:CaClFeHMnNaNbREEZr	Na₁₄Ca₅(Mg,Ca,Mn)Zr₃(Si₃O₉)₂(Si₉O₂₇)₂(Si,Nb,Al,Zr)₂(Fe,Zr)₃(Mn,Na,Ce,La,Y)(Na,H₂O,K,Sr)(OH)_4-5(OH,Cl)
9.CO.10	UM1971-22-SiO:CaClFeHMgMnNaNbZr	Na₁₂Ca₅(Ce,La,Y,Ca)Zr₃(Zr,Nb)(Fe,Mn)₃[Si₉O_24-26(OH)_1-3]₂[Si₃O₉]₂Cl	Trig. 3m : R3m
9.CO.10	UM1998-21-SiO:CaCeClHMnNaZr	Na₁₆Ca₆(Mn,Ce)₃Zr₃(Si₃O₉)₂(Si₉O₂₇)₂(OH,Cl)₄ · nH₂O	Trig. 3m : R3m
9.CO.10	Fengchengite	Na₁₂◻₃(Ca,Sr)₆Fe³⁺₃ Zr₃Si(Si₂₅O₇₃)(H₂O,OH)₃(OH,Cl)₂	Trig. 3m (3 2/m) : R3m
9.CO.10	Davinciite	Na₁₂K₃Ca₆Fe²⁺₃Zr₃(Si₂₆O₇₃OH)Cl₂	Trig. 3m : R3m
9.CO.10	Ilyukhinite	(H₃O,Na)₁₄Ca₆Mn₂Zr₃Si₂₆O₇₂(OH)₂ · 3H₂O	Trig. 3m : R3m
9.CO.10	UM2004-51-SiO:CaClFFeHNaNbTi	Na₁₆Ca₆(Fe,Mn)₃Zr₃(Ti,Nb)Si₂₆O₇₂FCl_0.5 · nH₂O	Trig. 3m : R3m
9.CO.10	UM1990-80-SiO:CaFeHMnNaNbREEZr	Na₁₄Ca₄(Mn,Ca)₂Zr₃(Si₃O₉)₂(Si₉O₂₇)₂(Si,Nb,Al,Zr)₂(Fe,Mn,Al,Ti)₃(Na,Ce,La,Y,Mn)(Na,H₂O,K,Sr)(OH)_7-8
9.CO.10	UM2003-39-SiO:CaClFeHHfNaNbSrTaTiZr	Na₁₂(Na,K,Mn,Sr)₂Ca₅(Ca,Mn)(Zr,Hf)₃(Fe,◻,Ta)₃(Si,Nb,W)(Si,Al,Ti)Si₂₄O₇₂(OH,O)_3.5Cl · 1.2H₂O	Trig. 3m : R3m
9.CO.10	UM2006-17-SiO:CaClFFeHMnNaZr	Na₁₅(Ca₃Mn₃)Zr₃(Fe,Zr)₃SiSi(Si₃O₉)₂(Si₉O₂₇)₂O₂(OH,F,Cl)₃ · 2H₂O
9.CO.10	UM2006-18-SiO:CaClFFeHMnNaZr	Na₁₅Ca₃(Mn,Fe)₃Zr₃(Zr,Na)₃(Si,Nb)(S,Ti,Si)(Si₃O₉)₂(Si₉O₂₇)₂(O,OH)₅(Cl,F,H₂O)	Trig. 3 : R3
9.CO.10	UM2006-28-SiO:CaHMnNaZr	Na₃₃Ca₁₂Zr₆Mn₃(Mn,Nb,Ti)₂Si₅₀O₁₃₂(O,OH)₁₂(OH,H₂O,Cl)₁₀
9.CO.10	Unnamed (Eudialyte 3248)	Na₂₉Ca₁₂Zr₆[Si₄₈O₁₃₂(O,OH)₁₂]{[Na]₄[Si]₂}{[Mn]₃[Mn,Nb,Ti]₂}(OH,H₂O,Cl)₁₀	Trig. 3m (3 2/m) : R3m
9.CO.10	Hydrorastsvetaevite	(Na₁₁(H₃O)₁₁K₆(H₂O)_1.5Sr)Ca₁₂Fe₃Na₂MnZr₆Si₅₂O₁₄₄(OH)_4.5Cl_3.5	Trig. 3m : R3m
9.CO.10	Unnamed (Hydrated Hydrous Na-Ca-Mn-Fe-Zr-Ti Silicate Chloride)	Na₃₇Ca₁₀Mn₂FeZr₆Si₅₀(Ti,Nb)₂O₁₄₄(OH)₅Cl₃ · H₂O	Trig. 3m : R3m
9.CO.10	UM2010-06-SiO:CaFeHMnNaNbREETiZr	[Na,(H₃O)]₁₅(Ca₃Mn₃)Na₃Zr₃(Si,Ti)[Si₂₅O₇₂OH](OH)₂ · 2H₂O
9.CO.10	Siudaite	Na₈(Mn²⁺₂Na)Ca₆(Fe³⁺,Mn²⁺)₃Zr₃NbSi₂₄(Si,◻,Ti)O₇₄(OH)₂Cl · 5H₂O	Trig. 3m : R3m
9.CO.10	Sergevanite	Na₁₅(Ca₃Mn₃)(Na₂Fe)Zr₃Si₂₆O₇₂(OH)₃ · H₂O	Trig. 3 : R3
9.CO.10	Selsurtite	(H₃O)₁₂Na₃(Ca₃Mn₃)(Na₂Fe)Zr₃◻{Si(Si₃O₉)₂(Si₉O₂₇)Si₉O₂₄(OH)₃}(OH)Cl(H₂O)	Trig. 3 : R3
9.CO.10	Amableite-(Ce)	Na₁₅[(Ce_1.5Na_1.5)Mn₃]Mn₂Zr₃◻Si[Si₂₄O₆₉(OH)₃](OH)₂ · H₂O	Trig. 3 : R3

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References for TaseqiteHide

Reference List:

Grice, J.D., Ferraris, G. (2003) New minerals approved in 2002 and nomenclature modifications approved 1998-2002 by the commission on new minerals and mineral names, International Mineralogical Association. American Mineralogist: 88: 1620-1624.

Johnsen, O., Ferraris, G., Gault, R. A., Grice, J. D., Kampf, A. R., Pekov, I. V. (2003) The nomenclature of eudialyte-group minerals. The Canadian Mineralogist, 41 (3) 785-794 doi:10.2113/gscanmin.41.3.785

Grice, J.D., Ferraris, G. (2003) New minerals approved in 2002 and nomenclature modifications approved in 1998-2002 by the Commission on the New Minerals and Mineral Names, International Mineralogical Association. The Canadian Mineralogist: 41: 795-802.

Lapis (2004): 29(5): 42.

Jambor, J.L., Roberts, A.C. (2004) New mineral names. American Mineralogist: 89: 1826-1834.

Mandarino, Joseph A. (2004) New minerals. The Canadian Mineralogist, 42 (6) 1901-1927 doi:10.2113/gscanmin.42.6.1901

Rastsvetaeva, R.K., Chukanov, N.V. (2012) Classification of eudialyte-group minerals. Geology of Ore Deposits: 54: 487-497.

Zaitsev, V.A., Chukaniv, N.V., Askenov, S.M. (2022): Chlorine-Deficient Analog of Taseqite from Odikhincha Massif (Russia): Genesis and Relation with Other Sr-Rich Eudialyte-Group Minerals. Minerals: 12: 1015.

forum.amiminerals.it (n.d.) http://forum.amiminerals.it/viewtopic.php?f=5&t=18043&sid=c88de8b3c2cbad82cb0276b032d98329

(2023) Taseqite. Handbook of Mineralogy. Mineralogical Society of America

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- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Greenland (TL)
Kujalleq Ilímaussaq complex Taseq Slope ⓘ Taseqite occurrence (TL)	Petersen et al. (2004)

Russia
Krasnoyarsk Krai Maimecha and Kotui Rivers Basin ⓘ Odikhincha massif	Zaitsev et al. (2017) +2 other references
Murmansk Oblast Lovozersky District ⓘ Alluaiv Mountain	Bosio Paolo collection

South Africa
North West Bojanala Platinum District Municipality Moses Kotane Local Municipality ⓘ Pilanesberg Alkaline Ring Complex	Mitchell et al. (2006)

Taseqite

About TaseqiteHide

Unique IdentifiersHide

IMA Classification of TaseqiteHide

Classification of TaseqiteHide

Mineral SymbolsHide

Physical Properties of TaseqiteHide

Optical Data of TaseqiteHide

Chemistry of TaseqiteHide

Crystallography of TaseqiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of TaseqiteHide

Synonyms of TaseqiteHide

Other Language Names for TaseqiteHide

Relationship of Taseqite to other SpeciesHide

Related Minerals - Strunz-mindat GroupingHide

Fluorescence of TaseqiteHide

Other InformationHide

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Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide