Köttigite
A valid IMA mineral species - grandfathered
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About Köttigite
Formula:
Zn3(AsO4)2 · 8H2O
Colour:
Should be colorless, but frequently is carmine-red, red-orange, brown, pale grey-blue, grey-green; light rose-pink in transmitted light.
Lustre:
Resinous, Waxy, Silky
Hardness:
2½ - 3
Specific Gravity:
3.33
Crystal System:
Monoclinic
Member of:
Name:
Named by James Dwight Dana in 1850 in honor of Otto Friedrich Köttig (3 April 1824, Meissen, Kingdom of Saxony - 21 February 1892, Dresden, German Empire), chemist of Schneeberg, Saxony and who made the first chemical analysis.
Type Locality:
Dimorph of:
Vivianite Group. Köttigite-Parasymplesite Series.
The zinc analogue of parasymplesite and erythrite.
The zinc analogue of parasymplesite and erythrite.
Unique Identifiers
Mindat ID:
2263
Long-form identifier:
mindat:1:1:2263:3
GUID
(UUID V4):
(UUID V4):
2d0f7290-fe05-4f2e-90aa-2c4f139b581f
IMA Classification of Köttigite
Approved, 'Grandfathered' (first described prior to 1959)
Classification of Köttigite
8.CE.40
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
E : With only medium-sized cations, RO4:H2O about 1:2.5
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
E : With only medium-sized cations, RO4:H2O about 1:2.5
40.3.6.5
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
3 : A3(XO4)2·xH2O
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
3 : A3(XO4)2·xH2O
20.3.6
20 : Arsenates (also arsenates with phosphate, but without other anions)
3 : Arsenates of Zn, Cd or Hg
20 : Arsenates (also arsenates with phosphate, but without other anions)
3 : Arsenates of Zn, Cd or Hg
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Köt | 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 Köttigite
Resinous, Waxy, Silky
Transparency:
Translucent
Comment:
Fracture yields a silky luster.
Colour:
Should be colorless, but frequently is carmine-red, red-orange, brown, pale grey-blue, grey-green; light rose-pink in transmitted light.
Comment:
Colored by substituting elements.
Streak:
Reddish-white to white
Hardness:
2½ - 3 on Mohs scale
Tenacity:
Flexible
Cleavage:
Perfect
On {010}, perfect.
On {010}, perfect.
Fracture:
Fibrous
Density:
3.33 g/cm3 (Measured) 3.24 g/cm3 (Calculated)
Optical Data of Köttigite
Type:
Biaxial (+)
RI values:
nα = 1.622 nβ = 1.638 nγ = 1.671
2V:
Measured: 74° , Calculated: 72°
Birefringence:
0.049
Max Birefringence:
δ = 0.049
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:
Moderate
Dispersion:
r > v to r < v strong
Optical Extinction:
z = b, z ^ c = 37°
Pleochroism:
Visible
Comments:
X, Y = colorless, Z = pale red
Comments:
Pleochroism should not be present if the mineral is colorless
Chemistry of Köttigite
Mindat Formula:
Zn3(AsO4)2 · 8H2O
Elements listed:
Crystallography of Köttigite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 10.24 Å, b = 13.405 Å, c = 4.757 Å
β = 105.21°
β = 105.21°
Ratio:
a:b:c = 0.764 : 1 : 0.355
Unit Cell V:
630.11 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Crystals prismatic [001] and flattened {010}. Massive; crusts with a crystalline surface and fibrous structure.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 7.97 Å | (20) |
| 6.72 Å | (100) |
| 3.23 Å | (50) |
| 3.01 Å | (30) |
| 3.00 Å | (40) |
| 2.74 Å | (30) |
| 2.71 Å | (30) |
| 2.33 Å | (20) |
Comments:
ICDD 33-1467 synthetic, also 33-430 calculated
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] |
Geological Setting:
Oxidized zones of arsenical ores containing zinc.
Type Occurrence of Köttigite
Geological Setting of Type Material:
Oxidized veins in a hydrothermal sulfide ore deposit
Associated Minerals at Type Locality:
Synonyms of Köttigite
Other Language Names for Köttigite
Varieties of Köttigite
| Cobalt-bearing Köttigite | A variety of köttigite coloured pale pink to pink by a minor cobalt content. |
Relationship of Köttigite to other Species
Member of:
Other Members of this group:
| Annabergite | Ni3(AsO4)2 · 8H2O | Mon. 2/m : B2/m |
| Arupite | Ni3(PO4)2 · 8H2O | Mon. 2/m : B2/m |
| Babánekite | Cu3(AsO4)2 · 8H2O | Mon. 2/m : B2/m |
| Barićite | (Mg,Fe)3(PO4)2 · 8H2O | Mon. 2/m : B2/m |
| Erythrite | Co3(AsO4)2 · 8H2O | Mon. 2/m : B2/m |
| Erythrite-Köttigite Series | ||
| Hörnesite | Mg3(AsO4)2 · 8H2O | Mon. 2/m : B2/m |
| Manganohörnesite | Mn2+3(AsO4)2 · 8H2O | Mon. 2/m : P2/m |
| Monteneroite | Cu2+Mn2+2(AsO4)2 · 8H2O | Mon. 2/m : B2/m |
| Pakhomovskyite | Co3(PO4)2 · 8H2O | Mon. 2/m : B2/m |
| Parasymplesite | Fe2+3(AsO4)2 · 8H2O | Mon. 2/m : B2/m |
| Vivianite | Fe2+Fe2+2(PO4)2 · 8H2O | Mon. 2/m : B2/m |
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
| 16 photos of Köttigite associated with Legrandite | Zn2(AsO4)(OH) · H2O |
| 15 photos of Köttigite associated with Parasymplesite | Fe2+3(AsO4)2 · 8H2O |
| 14 photos of Köttigite associated with Gypsum | CaSO4 · 2H2O |
| 8 photos of Köttigite associated with Pharmacosiderite | KFe3+4(AsO4)3(OH)4 · 6-7H2O |
| 6 photos of Köttigite associated with Smithsonite | ZnCO3 |
| 5 photos of Köttigite associated with Schalenblende | |
| 5 photos of Köttigite associated with Adamite | Zn2(AsO4)(OH) |
| 5 photos of Köttigite associated with Willemite | Zn2SiO4 |
| 4 photos of Köttigite associated with Franklinite | Zn2+Fe3+2O4 |
| 3 photos of Köttigite associated with Limonite |
Related Minerals - Strunz-mindat Grouping
| 8.CE.X | Babánekite | Cu3(AsO4)2 · 8H2O |
| 8.CE. | Monteneroite | Cu2+Mn2+2(AsO4)2 · 8H2O |
| 8.CE.05 | Chudobaite | (Mg,Zn)5(AsO4)2(HAsO4)2 · 10H2O |
| 8.CE.05 | Geigerite | Mn2+5(AsO4)2(HAsO4)2 · 10H2O |
| 8.CE.10 | Newberyite | Mg(PO3OH) · 3H2O |
| 8.CE.15 | Brassite | Mg(HAsO4) · 4H2O |
| 8.CE.20 | Phosphorrösslerite | Mg(PO3OH) · 7H2O |
| 8.CE.20 | Rösslerite | Mg(HAsO4) · 7H2O |
| 8.CE.25 | Metaswitzerite | Mn2+3(PO4)2 · 4H2O |
| 8.CE.25 | Switzerite | Mn2+3(PO4)2 · 7H2O |
| 8.CE.30 | Lindackerite | CuCu4(AsO4)2(HAsO4)2 · 9H2O |
| 8.CE.30 | Ondrušite | CaCu4(AsO4)2(HAsO4)2 · 10H2O |
| 8.CE.30 | Veselovskýite | ZnCu4(AsO4)2(HAsO4)2 · 9H2O |
| 8.CE.30 | Pradetite | CoCu4(AsO4)2(HAsO4)2 · 9H2O |
| 8.CE.30 | Klajite | MnCu4(AsO4)2(HAsO4)2 · 9-10H2O |
| 8.CE.30 | Hloušekite | (Ni,Co)Cu4(AsO4)2(AsO3OH)2 · 9H2O |
| 8.CE.35 | Bobierrite | Mg3(PO4)2 · 8H2O |
| 8.CE.40 | Annabergite | Ni3(AsO4)2 · 8H2O |
| 8.CE.40 | Arupite | Ni3(PO4)2 · 8H2O |
| 8.CE.40 | Barićite | (Mg,Fe)3(PO4)2 · 8H2O |
| 8.CE.40 | Erythrite | Co3(AsO4)2 · 8H2O |
| 8.CE.40 | Ferrisymplesite | Fe3+3(AsO4)2(OH)3 · 5H2O |
| 8.CE.40 | Hörnesite | Mg3(AsO4)2 · 8H2O |
| 8.CE.40 | Manganohörnesite | Mn2+3(AsO4)2 · 8H2O |
| 8.CE.40 | Parasymplesite | Fe2+3(AsO4)2 · 8H2O |
| 8.CE.40 | Vivianite | Fe2+Fe2+2(PO4)2 · 8H2O |
| 8.CE.40 | Pakhomovskyite | Co3(PO4)2 · 8H2O |
| 8.CE.45 | Symplesite | Fe2+3(AsO4)2 · 8H2O |
| 8.CE.50 | Cattiite | Mg3(PO4)2 · 22H2O |
| 8.CE.55 | Koninckite | Fe3+PO4 · 3H2O |
| 8.CE.60 | Kaňkite | FeAsO4 · 3.5H2O |
| 8.CE.60 | Hilarionite | Fe3+2(SO4)(AsO4)(OH) · 6H2O |
| 8.CE.65 | Steigerite | Al(VO4) · 3H2O |
| 8.CE.70 | Metaschoderite | Al2(PO4)(VO4) · 6H2O |
| 8.CE.70 | Schoderite | Al2(PO4)(VO4) · 8H2O |
| 8.CE.75 | Malhmoodite | FeZr(PO4)2 · 4H2O |
| 8.CE.75 | Zigrasite | MgZr(PO4)2 · 4H2O |
| 8.CE.75 | UM2009-11-PO:CaHZr | CaZr[PO4]2 · 4H2O |
| 8.CE.80 | Santabarbaraite | Fe3+3(PO4)2(OH)3 · 5H2O |
| 8.CE.85 | Metaköttigite | (Zn,Fe,Fe)3(AsO4)2 · 8(H2O,OH) |
| 8.CE.90 | Slavkovite | Cu13(AsO4)6(AsO3OH)4 · 23H2O |
Fluorescence of Köttigite
not fluorescent
Other Information
Notes:
Soluble in acids.
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 Köttigite
mindat.org URL:
https://www.mindat.org/min-2263.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Köttigite
Reference List:
Wolfe, C. W. (1940) Classification of minerals of the type A3(XO4)2·nH2O (concluded) American Mineralogist, 25 (12) 787-809 p.804
Hill, Roderick J. (1979) The crystal structure of köttigite. American Mineralogist, 64 (3-4) 376-382
Kusachi, Isao, Henmi, Chiyoko, Kishi, Shigetomo (1986) Legrandite and koettigite from the Ogibira mine, Okayama, Japan. Mineralogical Journal, 13 (3) 141-150 doi:10.2465/minerj.13.141
Yoshiasa, Akira, Miyano, Yumiko, Isobe, Hiroshi, Sugiyama, Kazumasa, Arima, Hiroshi, Nakatsuka, Akihiko, Momma, Koichi, Miyawaki, Ritsuro (2016) Structural refinement of köttigite–parasymplesite solid solution: Unique cation site occupancy and chemical bonding with water molecules. Journal of Mineralogical and Petrological Sciences, 111 (5) 363-369 doi:10.2465/jmps.151207
Localities for Köttigite
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Australia | |
| Birch (1999) |
| Museum Victoria collection (originally collected and analysed by Uwe Kolitsch) | |
| Muller (1972) +1 other reference |
| R Bottrill |
| Haupt |
Austria | |
| Carinthia II (2017) |
| Gröbner et al. (2008) |
| Strasser (1989) |
| Niedermayr et al. (2009) | |
| Kolitsch (2021) |
Chile | |
| analysed material from a german Museum ... |
Czech Republic | |
| RÜSENBERG et al. (1996) |
| Ondruš et al. (1989) |
| Lapis 2002 (7/8) |
| Lesenechal et al. (05/2023) | |
| Lapis 2002 (7/8) +1 other reference | |
| Roman Gramblička collection |
| Fiala V. (1977) | |
| Pauliš P. Nejzajímavější ... | |
| Roman Gramblička collection |
| Sejkora (1998) |
France | |
| Fourcault et al. (2018) |
| Valerie GALEA-CLOLUS collection +1 other reference |
Germany | |
| Weiß (1990) |
| Weiß (1990) |
| Lapis (4) |
| Walenta (1992) |
| Wittern (2001) |
| Wittern (2001) |
| Norbert Stötzel material |
| Weiß (1990) |
| J. Gröbner: Neufunde aus den Bergbaurevieren St. Andreasberg et al. (2007) |
| Schnorrer-Köhler (1988) +1 other reference |
| |
| Gröbner et al. (2011) |
| Weiß (1990) | |
| Schnorrer (1993) | |
| Wittern (2001) |
| Henrich et al. (2019) |
| Wittern (2001) |
| Rolf Golze +3 other references |
| Blaß et al. (1995) |
| Wittern (2001) |
| Der Aufschluss Vol.55 |
| Desor (04/2020) |
| J. Gröbner and U. Kolitsch (2007) |
| J. Gröbner and U. Kolitsch (2007) |
| Hajek (2010) |
| Dana 1850 +4 other references |
| Haake et al. (1994) |
Greece | |
| |
| Rieck (1999) | |
| |
Ireland | |
| Moreton et al. (2007) |
Italy | |
| Boscardin M. (1990) |
| Orlandi et al. (2005) |
| P.Stara |
| Stara P. (1996) | |
| AA. VV. |
| Lecca G.C. et al. (2022) |
Japan | |
| Kusachi et al (1986) |
Mexico | |
| Rocks & Min.: 56:247. +1 other reference |
| Thomas P. Moore (2008) | |
Morocco | |
| Favreau et al. (2006) |
Namibia | |
| Gebhard (1999) |
Norway | |
| Kristiansen (2022) |
Poland | |
| SiudaR. et al. (La) +6 other references |
Portugal | |
| Alves (n.d.) |
Russia | |
| Popov +1 other reference |
Slovakia | |
| Števko et al. (2016) |
Spain | |
| Rewitzer et al. (part 2) |
| Calvo (2015) |
UK | |
| - (2006) |
USA | |
| Castor et al. (2004) |
| Dunn (1995) |
| Rick Dalrymple Collection |
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Ojuela Mine, Mapimí, Mapimí Municipality, Durango, Mexico