Clinosafflorite
A valid IMA mineral species
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About Clinosafflorite
Formula:
CoAs2
May contain minor Fe and/or Ni replacing Co.
Colour:
Tin-white
Lustre:
Metallic
Hardness:
4½ - 5
Specific Gravity:
7.46 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
In reference to being the monoclinic (clino) dimorph of safflorite.
Dimorph of:
"Chemical analyses of various natural and synthetic [safflorite] samples reveal that Pnnm safflorite always contains some amounts of Fe and Ni, whereas materials with 80â100% (mole) CoAs2 crystallize in monoclinic P21/c symmetry [= clinosafflorite] (Holmes, 1947; Swanson et al., 1966; Radcliffe & Berry, 1971)." (Yang et al., 2008).
Unique Identifiers
Mindat ID:
1083
Long-form identifier:
mindat:1:1:1083:8
GUID
(UUID V4):
(UUID V4):
2d9079fe-be69-412e-83e3-db5d2d762f6e
IMA Classification of Clinosafflorite
Approved
First published:
1971
Classification of Clinosafflorite
2.EB.15a
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.
2.12.4.6
2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.10.11
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
10 : Sulphides etc. of Co
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
10 : Sulphides etc. of Co
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Csaf | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Clinosafflorite
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom |
Physical Properties of Clinosafflorite
Metallic
Transparency:
Opaque
Colour:
Tin-white
Hardness:
4½ - 5 on Mohs scale
Hardness:
VHN100=719 - 875 kg/mm2 - Vickers
Density:
7.46 g/cm3 (Calculated)
Optical Data of Clinosafflorite
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
400nm | 50.7% | 54.8% |
420nm | 55.0% | 59.8% |
440nm | 55.1% | 59.0% |
460nm | 55.3% | 58.0% |
480nm | 55.5% | 57.1% |
500nm | 55.6% | 56.3% |
520nm | 55.4% | 55.6% |
540nm | 54.5% | 55.4% |
560nm | 53.8% | 55.2% |
580nm | 53.0% | 54.9% |
600nm | 52.4% | 54.5% |
620nm | 51.9% | 54.2% |
640nm | 51.4% | 53.5% |
660nm | 50.9% | 53.3% |
680nm | 50.6% | 52.9% |
700nm | 50.4% | 52.6% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 59.8%.
R1 shown in black, R2 shown in red
Chemistry of Clinosafflorite
Mindat Formula:
CoAs2
May contain minor Fe and/or Ni replacing Co.
May contain minor Fe and/or Ni replacing Co.
Elements listed:
Common Impurities:
S
Crystallography of Clinosafflorite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Cell Parameters:
a = 5.04 Å, b = 5.862 Å, c = 3.139 Å
β = 90.13°
β = 90.13°
Ratio:
a:b:c = 0.86 : 1 : 0.535
Unit Cell V:
92.74 Ă
Âł (Calculated from Unit Cell)
Z:
2
Morphology:
Fine-grained intergrowths.
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) |
---|---|---|---|---|---|---|---|
0011927 | Clinosafflorite | Kjekshus A (1971) On the properties of binary compounds with the CoSb2 type crystal structure Acta Chemica Scandinavica 25 411-422 | 1971 | synthetic | 0 | 293 | |
0012118 | Clinosafflorite | Darmon R, Wintenberger M (1966) Structure cristalline de CoAs2 Bulletin de la Societe Francaise de Mineralogie et de Cristallographie 89 213-215 | 1966 | 0 | 293 | ||
0012119 | Clinosafflorite | Darmon R, Wintenberger M (1966) Structure cristalline de CoAs2 Bulletin de la Societe Francaise de Mineralogie et de Cristallographie 89 213-215 | 1966 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.531 Ă | (100) |
2.427 Ă | (80) |
2.422 Ă | (80) |
2.671 Ă | (40) |
2.657 Ă | (40) |
1.865 Ă | (30) |
1.656 Ă | (30) |
Comments:
Cobalt, Ontario, Canada (Radcliffe and Berry, 1971).
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-đ alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Geological Setting:
In hydrothermal veins
Type Occurrence of Clinosafflorite
General Appearance of Type Material:
Intimately intergrown with skutterudite.
Place of Conservation of Type Material:
Department of Geological Sciences, Queenâs University, Kingston, Ontario, Canada, number 1B20.
Geological Setting of Type Material:
Hydrothermal Co-Ni-As veins.
Associated Minerals at Type Locality:
Synonyms of Clinosafflorite
Other Language Names for Clinosafflorite
German:Clinosafflorit
Klinosafflorit
Klinosafflorit
Spanish:Clinosafflorita
Relationship of Clinosafflorite to other Species
Member of:
Other Members of this group:
Alloclasite | Co1-xFexAsS | Mon. 2 : P21 |
Anduoite | (Ru,Os)As2 | Orth. |
Costibite | CoSbS | Orth. mm2 : Pmn21 |
Löllingite | FeAs2 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
Nisbite | NiSb2 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
Oenite | CoSbAs | Orth. |
Omeiite | (Os,Ru)As2 | Orth. |
Paracostibite | CoSbS | Orth. mmm (2/m 2/m 2/m) : Pbca |
Pararammelsbergite | NiAs2 | Orth. mmm (2/m 2/m 2/m) : Pbca |
Rammelsbergite | NiAs2 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
Safflorite | (Co,Ni,Fe)As2 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
UM1998-01-AsSb:CoFeNi | (Fe,Ni)SbAs |
Common Associates
Associated Minerals Based on Photo Data:
16 photos of Clinosafflorite associated with Skutterudite | CoAs3 |
5 photos of Clinosafflorite associated with Cattierite | CoS2 |
2 photos of Clinosafflorite associated with Silver | Ag |
2 photos of Clinosafflorite associated with Calcite | CaCO3 |
1 photo of Clinosafflorite associated with Pyrargyrite | Ag3SbS3 |
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 | VillamanĂnite | (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 | PetĆĂÄekite | CuSe2 |
2.EB.15a | Anduoite | (Ru,Os)As2 |
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 | SeinÀjokite | (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 | Orthogersdorffite | NiAsS |
2.EB.25 | KvaÄekite | 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 Clinosafflorite
mindat.org URL:
https://www.mindat.org/min-1083.html
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References for Clinosafflorite
Reference List:
Localities for Clinosafflorite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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 (TL) | |
| 159-161. +2 other references |
Traill R. J. (1983) | |
| Robert C. Smith |
Czech Republic | |
| Lapis 2002 (7/8) |
Finland | |
| Hector et al. (2023) |
| Hector et al. (2023) |
| Eilu (2003) |
France | |
| Wittern et al. (Cologne) |
Paul De Bondt | |
Pierre et Terre 1982 | |
Germany | |
| |
| WeiĂ (1990) |
| www.mgas.de (2006) |
| Thomas Kleser Collection |
| Wittern (2001) |
| King (n.d.) |
| Andreas Gerstenberg collection |
Mauritania | |
| Sakellaris et al. (2008) |
Kolb et al. (2006) +1 other reference | |
Morocco | |
| Econ Geol (1997) |
| RocK Currier collectin |
| Favreau et al. (2006) |
| |
Sweden | |
| Burke et al. (1983) |
UK | |
| - (n.d.) |
| [J.Russell Soc 1998:23] |
USA | |
| Eckel et al. (1997) |
| Castor et al. (2004) |
| Castor et al. (2004) |
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Glasberg quarry, Nieder-Beerbach, MĂŒhltal, Darmstadt-Dieburg, Darmstadt, Hesse, Germany