Orthogersdorffite
A valid IMA mineral species
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Formula:
NiAsS
Specific Gravity:
6.239
Crystal System:
Orthorhombic
Name:
Renamed from gersdorffite-Pca21 to orthogersdorffite by the IMA in 2022, indicating that it is the orthorhombic polymorph of gersdorffite.
Polymorph of:
This page provides mineralogical data about Orthogersdorffite.
Unique Identifiers
Mindat ID:
47658
Long-form identifier:
mindat:1:1:47658:2
GUID
(UUID V4):
(UUID V4):
eae0f23a-a7cc-4ea3-9f54-a8adf47b972c
IMA Classification of Orthogersdorffite
Classification of Orthogersdorffite
2.EB.25
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.
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 |
---|---|---|
Gdf-Pca21 | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Gdf | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Pronunciation of Orthogersdorffite
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom |
Physical Properties of Orthogersdorffite
Density:
6.239 g/cm3 (Measured) 6.193 g/cm3 (Calculated)
Chemistry of Orthogersdorffite
Mindat Formula:
NiAsS
Elements listed:
Crystallography of Orthogersdorffite
Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Pca21
Cell Parameters:
a = 5.685(3) Å, b = 5.685(3) Å, c = 5.685(3) Å
Ratio:
a:b:c = 1 : 1 : 1
Unit Cell V:
183.73 ų (Calculated from Unit Cell)
Z:
4
Comment:
Pseudocubic. Cell from sample R862 of Bayliss (1982); another sample, less close to the ideal formula, has a = 5.622 Å..
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) |
---|---|---|---|---|---|---|---|
0000884 | Orthogersdorffite | Bayliss P (1982) A further crystal structure refinement of gersdorffite American Mineralogist 67 1058-1064 | 1982 | Garson mine, Sudbury, Ontario, Canada | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
- Å | () |
Comments:
No published X-ray powder diffraction data.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) | |
Stage 4b: Highly evolved igneous rocks | >3.0 |
37 : Layered igneous intrusions and related PGE minerals |
Synonyms of Orthogersdorffite
Related Minerals - Strunz-mindat Grouping
2.EB. | Iridarsenite | (Ir,Ru)As2 |
2.EB. | Selenolaurite | RuSe2 |
2.EB. | Andrieslombaardite | RhSbS |
2.EB. | Kanatzidisite | (SbBiS3)2Te2 |
2.EB.05a | Aurostibite | AuSb2 |
2.EB.05b | Bambollaite | Cu(Se,Te)2 |
2.EB.05a | Cattierite | CoS2 |
2.EB.05a | Erlichmanite | OsS2 |
2.EB.05a | Fukuchilite | Cu3FeS8 |
2.EB.05a | Geversite | PtSb2 |
2.EB.05a | Hauerite | MnS2 |
2.EB.05a | Insizwaite | Pt(Bi,Sb)2 |
2.EB.05a | Krut'aite | CuSe2 |
2.EB.05a | Laurite | RuS2 |
2.EB.05a | Penroseite | (Ni,Co,Cu)Se2 |
2.EB.05a | Pyrite | FeS2 |
2.EB.05a | Sperrylite | PtAs2 |
2.EB.05a | Trogtalite | CoSe2 |
2.EB.05a | Vaesite | NiS2 |
2.EB.05a | Villamanínite | (Cu,Ni,Co,Fe)S2 |
2.EB.05a | Dzharkenite | FeSe2 |
2.EB.05a | Gaotaiite | Ir3Te8 |
2.EB.05a v | Cayeuxite | |
2.EB.10b | Alloclasite | Co1-xFexAsS |
2.EB.10d | Costibite | CoSbS |
2.EB.10a | Ferroselite | FeSe2 |
2.EB.10a | Frohbergite | FeTe2 |
2.EB.10c | Glaucodot | (Co0.50Fe0.50)AsS |
2.EB.10a | Kullerudite | NiSe2 |
2.EB.10a | Marcasite | FeS2 |
2.EB.10a | Mattagamite | CoTe2 |
2.EB.10e | Paracostibite | CoSbS |
2.EB.10e | Pararammelsbergite | NiAs2 |
2.EB.10f | Oenite | CoSbAs |
2.EB.10a | Petříčekite | CuSe2 |
2.EB.15a | Anduoite | (Ru,Os)As2 |
2.EB.15a | Clinosafflorite | CoAs2 |
2.EB.15a | Löllingite | FeAs2 |
2.EB.15a | Nisbite | NiSb2 |
2.EB.15a | Omeiite | (Os,Ru)As2 |
2.EB.15c | Paxite | CuAs2 |
2.EB.15a | Rammelsbergite | NiAs2 |
2.EB.15a | Safflorite | (Co,Ni,Fe)As2 |
2.EB.15b | Seinäjokite | (Fe,Ni)(Sb,As)2 |
2.EB.20 | Arsenopyrite | FeAsS |
2.EB.20 | Gudmundite | FeSbS |
2.EB.20 | Osarsite | (Os,Ru)AsS |
2.EB.20 | Ruarsite | (Ru,Os)AsS |
2.EB.25 va | Antimony-bearing Gersdorffite | Ni(As,Sb)S |
2.EB.25 | Cobaltite | CoAsS |
2.EB.25 | Gersdorffite | NiAsS |
2.EB.25 | Hollingworthite | (Rh,Pt,Pd)AsS |
2.EB.25 | Irarsite | (Ir,Ru,Rh,Pt)AsS |
2.EB.25 | Jolliffeite | NiAsSe |
2.EB.25 | Krutovite | NiAs2 |
2.EB.25 | Maslovite | PtBiTe |
2.EB.25 | Michenerite | PdBiTe |
2.EB.25 | Padmaite | PdBiSe |
2.EB.25 | Platarsite | Pt(As,S)2 |
2.EB.25 | Testibiopalladite | PdSbTe |
2.EB.25 | Tolovkite | IrSbS |
2.EB.25 | Ullmannite | NiSbS |
2.EB.25 | Willyamite | CoSbS |
2.EB.25 | Changchengite | IrBiS |
2.EB.25 | Mayingite | IrBiTe |
2.EB.25 | Kalungaite | PdAsSe |
2.EB.25 | Milotaite | PdSbSe |
2.EB.25 | Paragersdorffite | Ni(As,S)2 |
2.EB.25 | Kvačekite | NiSbSe |
2.EB.30 | Urvantsevite | Pd(Bi,Pb)2 |
2.EB.35 | Rheniite | ReS2 |
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 Orthogersdorffite
mindat.org URL:
https://www.mindat.org/min-47658.html
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References for Orthogersdorffite
Localities for Orthogersdorffite
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.
Canada | |
| Bayliss (1982) |
| Bayliss (1982) |
Germany | |
| Bayliss (1982) |