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Clinosafflorite

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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
Name:
In reference to monoclinic symmetry and safflorite composition.
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 80–100% (mole) CoAs2 crystallize in monoclinic P21/c symmetry [= clinosafflorite] (Holmes, 1947; Swanson et al., 1966; Radcliffe & Berry, 1971)." (Yang et al., 2008).



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Classification of ClinosaffloriteHide

Approved
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.
2.12.4.6

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

Pronounciation of ClinosaffloriteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of ClinosaffloriteHide

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)

Chemical Properties of ClinosaffloriteHide

Formula:
CoAs2

May contain minor Fe and/or Ni replacing Co.
Common Impurities:
S

Crystallography of ClinosaffloriteHide

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°
Ratio:
a:b:c = 0.86 : 1 : 0.535
Unit Cell V:
92.74 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Fine-grained intergrowths.

Type Occurrence of ClinosaffloriteHide

Geological Setting of Type Material:
Hydrothermal Co-Ni-As veins.

Synonyms of ClinosaffloriteHide

Other Language Names for ClinosaffloriteHide

Relationship of Clinosafflorite to other SpeciesHide

Other Members of this group:
AlloclasiteCo1-xFexAsSMon. 2 : P21
Anduoite(Ru,Os)As2Orth.
CostibiteCoSbSOrth. mm2 : Pmn21
LöllingiteFeAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
NisbiteNiSb2Orth.
OeniteCoSbAsOrth.
Omeiite(Os,Ru)As2Orth.
ParacostibiteCoSbSOrth.
PararammelsbergiteNiAs2Orth.
RammelsbergiteNiAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
Safflorite(Co,Ni,Fe)As2Orth. mmm (2/m 2/m 2/m) : Pnnm
Unnamed (Fe-Ni Antimonide Arsenide)(Fe,Ni)SbAs

Common AssociatesHide

Associated Minerals Based on Photo Data:
Silver4 photos of Clinosafflorite associated with Silver on mindat.org.
Calcite4 photos of Clinosafflorite associated with Calcite on mindat.org.
Skutterudite3 photos of Clinosafflorite associated with Skutterudite on mindat.org.
Pyrargyrite1 photo of Clinosafflorite associated with Pyrargyrite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.EB.05aAurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
2.EB.05bBambollaiteCu(Se,Te)2Tet.
2.EB.05aCattieriteCoS2Iso. m3 (2/m 3) : Pa3
2.EB.05aErlichmaniteOsS2Iso. m3 (2/m 3) : Pa3
2.EB.05aFukuchiliteCu3FeS8Iso. m3 (2/m 3) : Pa3
2.EB.05aGeversitePtSb2Iso. m3 (2/m 3) : Pa3
2.EB.05aHaueriteMnS2Iso. m3 (2/m 3) : Pa3
2.EB.05aInsizwaitePt(Bi,Sb)2
2.EB.05aKrut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
2.EB.05aLauriteRuS2Iso. m3 (2/m 3) : Pa3
2.EB.05aPenroseite(Ni,Co,Cu)Se2Iso. m3 (2/m 3) : Pa3
2.EB.05aPyriteFeS2Iso. m3 (2/m 3) : Pa3
2.EB.05aSperrylitePtAs2Iso. m3 (2/m 3) : Pa3
2.EB.05aTrogtaliteCoSe2
2.EB.05aVaesiteNiS2Iso. m3 (2/m 3) : Pa3
2.EB.05aVillamaninite(Cu,Ni,Co,Fe)S2
2.EB.05aDzharkeniteFeSe2Iso.
2.EB.05aGaotaiiteIr3Te8Iso.
2.EB.10bAlloclasiteCo1-xFexAsSMon. 2 : P21
2.EB.10dCostibiteCoSbSOrth. mm2 : Pmn21
2.EB.10aFerroseliteFeSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aFrohbergiteFeTe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10cGlaucodot(Co0.50Fe0.50)AsSOrth. mm2 : Pmn21
2.EB.10aKulleruditeNiSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aMarcasiteFeS2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aMattagamiteCoTe2Orth.
2.EB.10eParacostibiteCoSbSOrth.
2.EB.10ePararammelsbergiteNiAs2Orth.
2.EB.10fOeniteCoSbAsOrth.
2.EB.15aAnduoite(Ru,Os)As2Orth.
2.EB.15aLöllingiteFeAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aNisbiteNiSb2Orth.
2.EB.15aOmeiite(Os,Ru)As2Orth.
2.EB.15cPaxiteCuAs2Mon.
2.EB.15aRammelsbergiteNiAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aSafflorite(Co,Ni,Fe)As2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15bSeinäjokite(Fe,Ni)(Sb,As)2Orth.
2.EB.20ArsenopyriteFeAsSMon. 2/m : P21/b
2.EB.20GudmunditeFeSbSMon. 2/m : P21/b
2.EB.20Osarsite(Os,Ru)AsSMon.
2.EB.20Ruarsite(Ru,Os)AsSMon.
2.EB.25CobaltiteCoAsSOrth. mm2 : Pca21
2.EB.25GersdorffiteNiAsSIso. m3 (2/m 3) : Pa3
2.EB.25Hollingworthite(Rh,Pt,Pd)AsSIso. m3 (2/m 3)
2.EB.25Irarsite(Ir,Ru,Rh,Pt)AsSIso.
2.EB.25JolliffeiteNiAsSeIso. m3 (2/m 3) : Pa3
2.EB.25KrutoviteNiAs2Iso.
2.EB.25MaslovitePtBiTe
2.EB.25MicheneritePdBiTe
2.EB.25PadmaitePdBiSeIso.
2.EB.25PlatarsitePtAsSIso.
2.EB.25TestibiopalladitePdTe(Sb,Te)Iso.
2.EB.25TolovkiteIrSbSIso.
2.EB.25UllmanniteNiSbSIso. 2 3 : P21 3
2.EB.25Willyamite(Co,Ni)SbS
2.EB.25ChangchengiteIrBiSIso.
2.EB.25MayingiteIrBiTeIso.
2.EB.25Hollingsworthite(Rh,Pt,Pd)AsS
2.EB.25KalungaitePdAsSeIso. m3 (2/m 3) : Pa3
2.EB.25MilotaitePdSbSeIso. 2 3 : P21 3
2.EB.30UrvantsevitePd(Bi,Pb)2Tet.
2.EB.35RheniiteReS2Tric.

Related Minerals - Dana Grouping (8th Ed.)Hide

2.12.4.1ArsenopyriteFeAsSMon. 2/m : P21/b
2.12.4.2GudmunditeFeSbSMon. 2/m : P21/b
2.12.4.3Osarsite(Os,Ru)AsSMon.
2.12.4.4Ruarsite(Ru,Os)AsSMon.
2.12.4.5Iridarsenite(Ir,Ru)As2Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.10.1Cobaltpentlandite(Co,Ni,Fe)9S8Iso. m3m (4/m 3 2/m) : Fm3m
3.10.2LinnaeiteCo2+Co3+2S4Iso.
3.10.3CattieriteCoS2Iso. m3 (2/m 3) : Pa3
3.10.4FrebolditeCoSeHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.10.5BornhardtiteCo2+Co3+2Se4Iso. m3m (4/m 3 2/m) : Fd3m
3.10.6TrogtaliteCoSe2
3.10.7HastiteFeSe2Orth.
3.10.8MattagamiteCoTe2Orth.
3.10.9Modderite(Co,Fe)AsOrth.
3.10.10Safflorite(Co,Ni,Fe)As2Orth. mmm (2/m 2/m 2/m) : Pnnm
3.10.12SkutteruditeCoAs3Iso. m3 (2/m 3) : Im3
3.10.13CobaltiteCoAsSOrth. mm2 : Pca21
3.10.14ParacostibiteCoSbSOrth.
3.10.15CostibiteCoSbSOrth. mm2 : Pmn21
3.10.16AlloclasiteCo1-xFexAsSMon. 2 : P21
3.10.17Glaucodot(Co0.50Fe0.50)AsSOrth. mm2 : Pmn21
3.10.18CarrolliteCu(Co,Ni)2S4Iso. m3m (4/m 3 2/m) : Fd3m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for ClinosaffloriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Darmon, R., Wintenberger, M. (1966) Structure cristalline de CoAs2. Bulletin de la Société Française de Minéralogie et de Cristallographie: 89: 213-215.
Radcliffe, D., Berry, L.G. (1971) Clinosafflorite; a monoclinic polymorph of safflorite. The Canadian Mineralogist: 10: 877-881.
Yang, H., Downs, R.T., Eichler, C. (2008) Safflorite, (Co,Ni,Fe)As2, isomorphous with marcasite. Acta Crystallographica: E64: i62.

Internet Links for ClinosaffloriteHide

Localities for ClinosaffloriteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada (TL)
 
  • Ontario
    • Timiskaming District
      • Cobalt-Gowganda region
RADCLIFFE, D. & BERRY, L.G. (1971): Clinosafflorite: a monoclinic polymorph of safflorite. Canadian Mineralogist 10, 877-881.
Traill R. J. (1983): Catalogue of Canadian Minerals Revised, Geological Survey of Canada, Paper 80-18. P. 109.
          • Gillies Limit
Robert C. Smith, II collection collected underground ~ 1970
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
Lapis 2002(7/8), 63-65
Finland
 
  • Southwestern Finland Region
    • Somero
Eilu, P. (2003). Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003. Rovaniemi, Finland
France
 
  • Grand Est
    • Haut-Rhin
      • Ste Marie-aux-Mines (Markirch)
        • Neuenberg
Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
Paul De Bondt
Pierre et Terre 1982
Germany
 
  • Hesse
    • Odenwald
      • Mühltal
        • Nieder-Beerbach
    • Richelsdorf District
      • Nentershausen
        • Süß
          • Richelsdorf Smelter
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
  • Rhineland-Palatinate
    • Palatinate
      • Annweiler am Trifels
        • Waldhambach
http://www.mgas.de/fundstellen/Bergbau-PSL/Mineralien_SNPLH.pdf
  • Saarland
    • Merzig
      • Reimsbach
Thomas Kleser collection
  • Saxony-Anhalt
Wittern: "Mineralfundorte in Deutschland", 2001
  • Saxony
    • Erzgebirge
Andreas Gerstenberg collection
      • Schlema-Hartenstein District
Van King
Mauritania
 
  • Inchiri Region
    • Akjoujt (Akjout; Fort Repoux)
Sakellaris, G.A., Meyer, F.M. (2008) A Metamorphic Origin of the Guelb Moghrein Fe Oxide-Copper-Gold-Cobalt Deposit, Mauritania. http://www.minsoc.ru/2008-1-101-1
Morocco
 
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Tazenakht
Econ Geol (1997) 92:360-367
          • Aït Ahmane
Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
          • Tamdrost
Sweden
 
  • Värmland
    • Filipstad
      • Nordmark district
        • Finnshytteberg ore field (Finnshytte)
Burke, E. A. J. & Zakrzewski, M. A. (1983) A cobalt–bearing sulfide — arsenide assemblage from the Nord mine (Finnshytteberg), Sweden: A new occurrence of clinosafflorite, The Canadian Mineralogist, 21, 129-136
UK
 
  • Scotland
    • Central Region
      • Alva
        • Silver Glen
[J.Russell Soc 1998:23]
USA
 
  • Colorado
    • Gunnison Co.
      • Elk Mountain District
Minerals of Colorado (1997) Eckels, E. B.
  • Nevada
    • Churchill Co.
      • Table Mountain District
        • Cottonwood Canyon
          • Bolivia
NBMG Spec. Pub. 31 Minerals of Nevada
    • Humboldt Co.
      • National District
NBMG Spec. Pub. 31 Minerals of Nevada
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