Norrishite
A valid IMA mineral species
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About Norrishite
Formula:
KLiMn3+2(Si4O10)O2
Colour:
Black to brownish black
Lustre:
Sub-Metallic
Hardness:
2½
Specific Gravity:
3.264
Crystal System:
Monoclinic
Member of:
Name:
Named in 1989 by Richard A. Eggleton and Paul M. Ashley in honor of Dr. Keith Norrish (9 July 1924, Kojonup, Western Australia - Adelaide on 13th September, 2017), geologist with the Commonwealth Scientific and Industrial Research Organization (CSIRO), Division of Soils, Adelaide, in recognition of his contribution to layer-silicate research. He pioneered the use of wavelength- dispersive X-ray spectrometry (XRF) for the analysis of minerals.
Unique Identifiers
Mindat ID:
2933
Long-form identifier:
mindat:1:1:2933:5
GUID
(UUID V4):
(UUID V4):
e6b2ae45-f075-49ff-be44-ad7a5792fa72
IMA Classification of Norrishite
Classification of Norrishite
9.EC.20
9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
71.2.2b.11
71 : PHYLLOSILICATES Sheets of Six-Membered Rings
2 : Sheets of 6-membered rings with 2:1 layers
71 : PHYLLOSILICATES Sheets of Six-Membered Rings
2 : Sheets of 6-membered rings with 2:1 layers
14.18.4
14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Nrr | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Nrr | Warr (2020) | Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30 |
Physical Properties of Norrishite
Sub-Metallic
Transparency:
Translucent
Comment:
Given as "vitreous" in HoM, but note black colour, high RI and reflectivity enhanced by perfect cleavage.
Colour:
Black to brownish black
Comment:
Blackish in hand specimen; transparent in thin section, often zoned green (core) to yellow (rim) with brownish tint.
Streak:
Light brown
Hardness:
2½ on Mohs scale
Cleavage:
Perfect
{001} perfect; {100} and {010} poor.
{001} perfect; {100} and {010} poor.
Density:
3.264(2) g/cm3 (Measured) 3.255 g/cm3 (Calculated)
Optical Data of Norrishite
Type:
Biaxial (+)
RI values:
nα = 1.636(1) nβ = 1.687(1) nγ = 1.785(5)
2V:
Measured: 74.0° , Calculated: 75.2°
Max Birefringence:
δ = 0.149
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v, strong
Optical Extinction:
Z = b, Y ∧ a = 20°.
Pleochroism:
Strong
Comments:
X = yellow, Y = lime-green to olive-green, Z = yellow-brown.
Chemistry of Norrishite
Mindat Formula:
KLiMn3+2(Si4O10)O2
Common Impurities:
Ti,Al,Fe,Mg,Ba,Na,F,Cl,H2O
Crystallography of Norrishite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 5.289(3) Å, b = 8.914(3) Å, c = 10.062(7) Å
β = 98.22(5)°
β = 98.22(5)°
Ratio:
a:b:c = 0.593 : 1 : 1.129
Unit Cell V:
469.51 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Platy crystals and flakes.
Twinning:
None observed.
Crystal Structure
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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) |
---|---|---|---|---|---|---|---|
0001348 | Norrishite | Tyrna P L, Guggenheim S (1991) The crystal structure of norrishite, KLiMn2Si4O12: An oxygen-rich mica American Mineralogist 76 266-271 | 1991 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
10.01 Å | (100) |
3.329 Å | (80) |
3.160 Å | (70) |
3.571 Å | (60) |
2.365 Å | (60) |
4.464 Å | (50) |
2.620 Å | (50) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits |
Type Occurrence of Norrishite
General Appearance of Type Material:
Centimeter-sized black aggregates in dark-purple sugilite.
Place of Conservation of Type Material:
MU, Sydney, Australia, numbers 820607, ANU39916.
The Australian Museum, Sydney, Australia, number D48838.
The Australian Museum, Sydney, Australia, number D48838.
Geological Setting of Type Material:
Oxidized hydrothermal Mn deposit.
Associated Minerals at Type Locality:
Other Language Names for Norrishite
Relationship of Norrishite to other Species
Member of:
Other Members of this group:
Aspidolite | NaMg3(AlSi3O10)(OH)2 | Mon. 2/m : B2/m |
Balestraite | KLi2V5+Si4O12 | Mon. 2 : B2 |
Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 | |
Ephesite | NaLiAl2(Al2Si2O10)(OH)2 | Tric. 1 : P1 |
Garmite | CsLiMg2(Si4O10)F2 | Mon. |
Hendricksite | KZn3(Si3Al)O10(OH)2 | Mon. 2/m : B2/m |
Kreiterite | CsLi2Fe3+(Si4O10)F2 | Mon. |
Lepidolite | A Li-rich mica in, or close to, the so-called Polylithionite-Trilithionite series. | Mon. |
Masutomilite | (K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2 | Mon. 2 : B2 |
Orlovite | KLi2Ti(Si4O10)OF | Mon. 2 : B2 |
Polylithionite | KLi2Al(Si4O10)(F,OH)2 | Mon. 2/m : B2/b |
Preiswerkite | NaMg2Al(Al2Si2O10)(OH)2 | Mon. 2/m : B2/b |
Shirokshinite | K(NaMg2)(Si4O10)F2 | Mon. 2/m : B2/m |
Shirozulite | KMn2+3(Si3Al)O10(OH)2 | Mon. 2/m : B2/m |
Sokolovaite | CsLi2Al(Si4O10)F2 | Mon. |
Suhailite | (NH4)Fe2+3(AlSi3O10)(OH)2 | Mon. 2/m : B2/m |
Tainiolite | KLiMg2(Si4O10)F2 | Mon. 2/m : B2/m |
Trilithionite | K(Li1.5Al1.5)(AlSi3O10)(F,OH)2 | Mon. 2/m : B2/b |
Wonesite | (Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4 | Mon. 2/m : B2/m |
Zinnwaldite | Mica Group. |
Common Associates
Associated Minerals Based on Photo Data:
6 photos of Norrishite associated with Mangano-mangani-ungarettiite | NaNa2(Mn2+2Mn3+3)(Si8O22)O2 |
4 photos of Norrishite associated with Sugilite | KNa2Fe3+2Li3[Si12O30] |
2 photos of Norrishite associated with Ruizite | Ca2Mn3+2[Si4O11(OH)2](OH)2 · 2H2O |
2 photos of Norrishite associated with Taniajacoite | SrCaMn3+2Si4O11(OH)4 · 2H2O |
2 photos of Norrishite associated with Pectolite | NaCa2Si3O8(OH) |
2 photos of Norrishite associated with Braunite-II | CaMn3+14(SiO4)O20 |
2 photos of Norrishite associated with Namansilite | NaMn3+Si2O6 |
2 photos of Norrishite associated with Hematite | Fe2O3 |
Related Minerals - Strunz-mindat Grouping
9.EC. | Balestraite | KLi2V5+Si4O12 |
9.EC. | Meifuite | KFe6(Si7Al)O19(OH)4Cl2 |
9.EC.05 | Minnesotaite | Fe2+3Si4O10(OH)2 |
9.EC.05 | Talc | Mg3Si4O10(OH)2 |
9.EC.05 | Willemseite | Ni3Si4O10(OH)2 |
9.EC.9.EC. | Voloshinite | Rb(LiAl1.5◻0.5)(Al0.5Si3.5)O10F2 |
9.EC.10 | Ferripyrophyllite | Fe3+Si2O5(OH) |
9.EC.10 | Pyrophyllite | Al2Si4O10(OH)2 |
9.EC.10 | Luanshiweiite | KLiAl1.5(Si3.5Al0.5)O10(OH)2 |
9.EC.10 | Fluorluanshiweiite | KLiAl1.5(Si3.5Al0.5)O10F2 |
9.EC.10 | Manganiceladonite | K(MgMn3+◻)(Si4O10)(OH)2 |
9.EC.10 | Garmite | CsLiMg2(Si4O10)F2 |
9.EC.10 | Gorbunovite | CsLi2(Ti,Fe)Si4O10(F,OH,O)2 |
9.EC.15 | Boromuscovite | KAl2(BSi3O10)(OH)2 |
9.EC.15 | Celadonite | K(MgFe3+◻)(Si4O10)(OH)2 |
9.EC.15 | Chernykhite | (Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2 |
9.EC.15 | Montdorite | (K,Na)2(Fe2+,Mn2+,Mg)5(Si4O10)2(OH,F)4 |
9.EC.15 | Muscovite | KAl2(AlSi3O10)(OH)2 |
9.EC.15 | Nanpingite | CsAl2(AlSi3O10)(OH,F)2 |
9.EC.15 | Paragonite | NaAl2(AlSi3O10)(OH)2 |
9.EC.15 | Roscoelite | K(V3+,Al)2(AlSi3O10)(OH)2 |
9.EC.15 | Tobelite | (NH4,K)Al2(AlSi3O10)(OH)2 |
9.EC.15 | Aluminoceladonite | K(MgAl◻)(Si4O10)(OH)2 |
9.EC.15 | Chromphyllite | K(Cr,Al)2(AlSi3O10)(OH,F)2 |
9.EC.15 | Ferroaluminoceladonite | K(Fe2+Al◻)(Si4O10)(OH)2 |
9.EC.15 | Ferroceladonite | K(Fe2+Fe3+◻)(Si4O10)(OH)2 |
9.EC.15 | Chromceladonite | K(MgCr◻)(Si4O10)(OH)2 |
9.EC.15 | Tainiolite | KLiMg2(Si4O10)F2 |
9.EC.15 | Ganterite | (Ba,Na,K)(Al,Mg)2(AlSi3O10)(OH)2 |
9.EC.15 | UM1988-22-SiO:AlCaFFeHKLiMg | KLiMgAl2Si3O10F2 |
9.EC.15 | Kreiterite | CsLi2Fe3+(Si4O10)F2 |
9.EC.20 | Annite | KFe2+3(AlSi3O10)(OH)2 |
9.EC.20 | Ephesite | NaLiAl2(Al2Si2O10)(OH)2 |
9.EC.20 | Hendricksite | KZn3(Si3Al)O10(OH)2 |
9.EC.20 | Masutomilite | (K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2 |
9.EC.20 | Phlogopite | KMg3(AlSi3O10)(OH)2 |
9.EC.20 | Polylithionite | KLi2Al(Si4O10)(F,OH)2 |
9.EC.20 | Preiswerkite | NaMg2Al(Al2Si2O10)(OH)2 |
9.EC.20 | Siderophyllite | KFe2+2Al(Al2Si2O10)(OH)2 |
9.EC.20 | Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
9.EC.20 | Fluorotetraferriphlogopite | KMg3(Fe3+Si3O10)F2 |
9.EC.20 | Wonesite | (Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4 |
9.EC.20 | Eastonite | KMg2Al(Al2Si2O10)(OH)2 |
9.EC.20 | Tetraferriannite | KFe2+3(Si3Fe3+)O10(OH)2 |
9.EC.20 | Trilithionite | K(Li1.5Al1.5)(AlSi3O10)(F,OH)2 |
9.EC.20 | Fluorannite | KFe2+3(Si3Al)O10F2 |
9.EC.20 | Shirokshinite | K(NaMg2)(Si4O10)F2 |
9.EC.20 | Shirozulite | KMn2+3(Si3Al)O10(OH)2 |
9.EC.20 | Sokolovaite | CsLi2Al(Si4O10)F2 |
9.EC.20 | Aspidolite | NaMg3(AlSi3O10)(OH)2 |
9.EC.20 | Fluorophlogopite | KMg3(Si3Al)O10F2 |
9.EC.20 | UM2004-49-SiO:AlCsFHKLi | (Cs,K)(Al,Li)2.6((Si,Al)4O10)(F,OH)2 |
9.EC.20 | Suhailite | (NH4)Fe2+3(AlSi3O10)(OH)2 |
9.EC.20 | Yangzhumingite | KMg2.5(Si4O10)F2 |
9.EC.20 | Orlovite | KLi2Ti(Si4O10)OF |
9.EC.20 | Oxyphlogopite | K(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2 |
9.EC.20 | Chloroferrokinoshitalite | (Ba,K)(Fe2+,Mg)3(Al2Si2O10)(Cl,OH,F)2 |
9.EC.22 | Pimelite | Ni3Si4O10(OH)2 · 4H2O |
9.EC.30 | Chlorophaeite | (Ca,Mg,Fe)2Fe2Si4O13 · 10H2O |
9.EC.30 | Margarite | CaAl2(Al2Si2O10)(OH)2 |
9.EC.35 | Anandite | (Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2 |
9.EC.35 | Bityite | CaLiAl2(AlBeSi2O10)(OH)2 |
9.EC.35 | Clintonite | CaAlMg2(SiAl3O10)(OH)2 |
9.EC.35 | Kinoshitalite | (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 |
9.EC.35 | Ferrokinoshitalite | (Ba,K)(Fe2+,Mg)3(Al2Si2O10)(OH,F)2 |
9.EC.35 | Oxykinoshitalite | (Ba,K)(Mg,Ti,Fe3+,Fe2+)3((Si,Al)4O10)(O,OH,F)2 |
9.EC.35 | Fluorokinoshitalite | BaMg3(Al2Si2O10)F2 |
9.EC.40 | Beidellite | (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
9.EC.40 | Kurumsakite | (Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?) |
9.EC.40 | Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
9.EC.40 | Nontronite | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
9.EC.40 | Volkonskoite | Ca0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O |
9.EC.40 | Yakhontovite | (Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2O |
9.EC.45 | Hectorite | Na0.3(Mg,Li)3(Si4O10)(F,OH)2 |
9.EC.45 | Saponite | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
9.EC.45 | Sauconite | Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O |
9.EC.45 | Spadaite | MgSiO2(OH)2 · H2O (?) |
9.EC.45 | Stevensite | (Ca,Na)xMg3-x(Si4O10)(OH)2 |
9.EC.45 | Swinefordite | Li(Al,Li,Mg)3((Si,Al)4O10)2(OH,F)4 · nH2O |
9.EC.45 | Zincsilite | Zn3Si4O10(OH)2 · 4H2O (?) |
9.EC.45 | Ferrosaponite | Ca0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2O |
9.EC.45 | Hanjiangite | Ba2CaV3+Al(H2AlSi3O12)(CO3)2F |
9.EC.50 | Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
9.EC.52 | Tarasovite | near NaKAl11Si13O40(OH)9 · 3H2O |
9.EC.55 | Baileychlore | (Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8 |
9.EC.55 | Chamosite | (Fe2+)5Al(Si,Al)4O10(OH,O)8 |
9.EC.55 | Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
9.EC.55 | Cookeite | (LiAl4◻)[AlSi3O10](OH)8 |
9.EC.55 | Franklinfurnaceite | Ca2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8 |
9.EC.55 | Gonyerite | (Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8 |
9.EC.55 | Nimite | (Ni,Mg,Al)6((Si,Al)4O10)(OH)8 |
9.EC.55 | Orthochamosite | (Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8 |
9.EC.55 | Pennantite | Mn2+5Al(AlSi3O10)(OH)8 |
9.EC.55 | Sudoite | Mg2Al3(Si3Al)O10)(OH)8 |
9.EC.55 | Donbassite | Al4.33(Si3Al)O10(OH)8 |
9.EC.55 | Glagolevite | Na(Mg,Al)6(AlSi3O10)(OH,O)8 |
9.EC.55 | Borocookeite | (LiAl4◻)[BSi3O10](OH)8 |
9.EC.60 | Aliettite | Ca0.2Mg6((Si,Al)8O20)(OH)4 · 4H2O |
9.EC.60 | Corrensite | (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O |
9.EC.60 | Dozyite | Mg7Al2(Al2Si4O15)(OH)12 |
9.EC.60 | Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
9.EC.60 | Karpinskite | (Ni,Mg)2Si2O5(OH)2 (?) |
9.EC.60 | Kulkeite | Mg8Al(AlSi7O20)(OH)10 |
9.EC.60 | Lunijianlaite | Li0.7Al6.2(AlSi7O20)(OH,O)10 |
9.EC.60 | Rectorite | (Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O |
9.EC.60 | Saliotite | (Li,Na)Al3(AlSi3O10)(OH)5 |
9.EC.60 | Tosudite | Na0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O |
9.EC.60 | Brinrobertsite | Na0.3Al4(Si4O10)2(OH)4 · 3.5 H2O |
9.EC.65 | Macaulayite | (Fe,Al)24Si4O43(OH)2 |
9.EC.70 | Burckhardtite | Pb2(Fe3+Te6+)[AlSi3O8]O6 |
9.EC.75 | Ferrisurite | (Pb,Ca)2.4Fe3+2(Si4O10)(CO3)1.7(OH)3 · nH2O |
9.EC.75 | Surite | (Pb,Ca)3(Al,Fe2+,Mg)2((Si,Al)4O10)(CO3)2(OH)2 |
9.EC.75 | Niksergievite | (Ba,Ca)2Al3(AlSi3O10)(CO3)(OH)6 · nH2O |
9.EC.80 | Kegelite | Pb8Al4(Si8O20)(SO4)2(CO3)4(OH)8 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Norrishite
mindat.org URL:
https://www.mindat.org/min-2933.html
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References for Norrishite
Reference List:
Tyrna, Paul L., Guggenheim, Stephen (1991) The crystal structure of norrishite, KLiMn3+2Si4O12: An oxygen-rich mica. American Mineralogist, 76 (1-2) 266-271
Localities for Norrishite
Locality List
- This locality has map coordinates listed.
- 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.
All localities listed without proper references should be considered as questionable.
Australia (TL) | |
| AM 1989 +2 other references |
Italy | |
| Balestra (2005) |
Japan | |
| Specimen obtained from Dr Go Ito |
Romania | |
Hîrtopanu et al. (2003) | |
| minerals-of-the-carpathians.eu (2008) |
| Hîrtopanu (1997) +1 other reference |
South Africa | |
| Moore et al. (2011) +2 other references |
| Gu et al. (2019) |
Gnos E. et al. (Mn3+2Li) |
Quick NavTopAbout NorrishiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence Other LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Cerchiara Mine, Borghetto di Vara, La Spezia Province, Liguria, Italy