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Clinosafflorite

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Formula:
CoAs
 
2
May contain Fe and/or Ni replacing Co.
System:MonoclinicColour:Tin-white
Hardness:4½ - 5
Member of:Löllingite Group
Name:In reference to monoclinic symmetry and safflorite composition.
Dimorph of:Safflorite
This page provides mineralogical data about Clinosafflorite.

Classification of Clinosafflorite

IMA status:Approved
Strunz 8th edition ID:2/D.24-10
Nickel-Strunz 10th (pending) edition ID: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.
Dana 8th edition ID:2.12.4.6

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
Hey's CIM Ref.: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
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Type Occurrence of Clinosafflorite

Type Locality:Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
Year of Discovery:1971
Geological Setting of type material:Hydrothermal Co-Ni-As veins.

Occurrences of Clinosafflorite

Geological Setting:In hydrothermal veins

Physical Properties of Clinosafflorite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Tin-white
Hardness (Mohs):4½ - 5
Hardness (Vickers):VHN100=719 - 875 kg/mm2
Density (calculated):7.46 g/cm3

Crystallography of Clinosafflorite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/m
Cell Parameters:a = 5.04Å, b = 5.862Å, c = 3.139Å
β = 90.13°
Ratio:a:b:c = 0.86 : 1 : 0.535
Unit Cell Volume:V 92.74 ų (Calculated from Unit Cell)
Z:2
Morphology:Fine-grained intergrowths.

Chemical Properties of Clinosafflorite

Formula:
CoAs
 
2


May contain Fe and/or Ni replacing Co.
Simplified for copy/paste:CoAs2
Essential elements:As, Co
All elements listed in formula:As, Co
Common Impurities:S

Relationship of Clinosafflorite to other Species

Member of:Löllingite Group
Other Members of Group:

- +
Alloclasite
Co
 
1-x
Fe
 
x
AsS
Anduoite
(Ru,Os)As
 
2
Costibite
CoSbS
Löllingite
FeAs
 
2
Nisbite
NiSb
 
2
Oenite
CoSbAs
Omeiite
(Os,Ru)As
 
2
Paracostibite
CoSbS
Pararammelsbergite
NiAs
 
2
Rammelsbergite
NiAs
 
2
Safflorite
CoAs
 
2
Unnamed (Fe-Ni Antimonide Arsenide)
(Fe,Ni)SbAs
Common Associates:
SkutteruditeSiegeniteMolybdeniteCobaltiteCattierite
Bismuth
Related Minerals - Nickel-Strunz Grouping):

- +
2.EB.05aAurostibite
AuSb
 
2
2.EB.05bBambollaite
Cu(Se,Te)
 
2
2.EB.05aCattierite
CoS
 
2
2.EB.05aErlichmanite
OsS
 
2
2.EB.05aFukuchilite
Cu
 
3
FeS
 
8
2.EB.05aGeversite
PtSb
 
2
2.EB.05aHauerite
MnS
 
2
2.EB.05aInsizwaite
Pt(Bi,Sb)
 
2
2.EB.05aKrut'aite
CuSe
 
2
2.EB.05aLaurite
RuS
 
2
2.EB.05aPenroseite
(Ni,Co,Cu)Se
 
2
2.EB.05aPyrite
FeS
 
2
2.EB.05aSperrylite
PtAs
 
2
2.EB.05aTrogtalite
CoSe
 
2
2.EB.05aVaesite
NiS
 
2
2.EB.05aVillamaninite
(Cu,Ni,Co,Fe)S
 
2
2.EB.05aDzharkenite
FeSe
 
2
2.EB.05aGaotaiite
Ir
 
3
Te
 
8
2.EB.10bAlloclasite
Co
 
1-x
Fe
 
x
AsS
2.EB.10dCostibite
CoSbS
2.EB.10aFerroselite
FeSe
 
2
2.EB.10aFrohbergite
FeTe
 
2
2.EB.10cGlaucodot
(Co
 
0.50
Fe
 
0.50
)AsS
2.EB.10aKullerudite
NiSe
 
2
2.EB.10aMarcasite
FeS
 
2
2.EB.10aMattagamite
CoTe
 
2
2.EB.10eParacostibite
CoSbS
2.EB.10ePararammelsbergite
NiAs
 
2
2.EB.10fOenite
CoSbAs
2.EB.15aAnduoite
(Ru,Os)As
 
2
2.EB.15aLöllingite
FeAs
 
2
2.EB.15aNisbite
NiSb
 
2
2.EB.15aOmeiite
(Os,Ru)As
 
2
2.EB.15cPaxite
CuAs
 
2
2.EB.15aRammelsbergite
NiAs
 
2
2.EB.15aSafflorite
CoAs
 
2
2.EB.15bSeinäjokite
(Fe,Ni)(Sb,As)
 
2
2.EB.20Arsenopyrite
FeAsS
2.EB.20Gudmundite
FeSbS
2.EB.20Osarsite
(Os,Ru)AsS
2.EB.20Ruarsite
(Ru,Os)AsS
2.EB.25Cobaltite
CoAsS
2.EB.25Gersdorffite
NiAsS
2.EB.25Hollingworthite
(Rh,Pt,Pd)AsS
2.EB.25Irarsite
(Ir,Ru,Rh,Pt)AsS
2.EB.25Jolliffeite
NiAsSe
2.EB.25Krutovite
NiAs
 
2
2.EB.25Maslovite
PtBiTe
2.EB.25Michenerite
PdBiTe
2.EB.25Padmaite
PdBiSe
2.EB.25Platarsite
PtAsS
2.EB.25Testibiopalladite
PdTe(Sb,Te)
2.EB.25Tolovkite
IrSbS
2.EB.25Ullmannite
NiSbS
2.EB.25Willyamite
(Co,Ni)SbS
2.EB.25Changchengite
IrBiS
2.EB.25Mayingite
IrBiTe
2.EB.25Hollingsworthite
2.EB.25Kalungaite
PdAsSe
2.EB.25Milotaite
PdSbSe
2.EB.30Urvantsevite
Pd(Bi,Pb)
 
2
2.EB.35Rheniite
ReS
 
2
Related Minerals - Hey's Index Grouping:

- +
3.10.1Cobaltpentlandite
(Co,Ni,Fe)
 
9
S
 
8
3.10.2Linnaeite
Co
2+
 
Co
3+
2
S
 
4
3.10.3Cattierite
CoS
 
2
3.10.4Freboldite
CoSe
3.10.5Bornhardtite
Co
2+
 
Co
3+
2
Se
 
4
3.10.6Trogtalite
CoSe
 
2
3.10.7Hastite
3.10.8Mattagamite
CoTe
 
2
3.10.9Modderite
(Co,Fe)As
3.10.10Safflorite
CoAs
 
2
3.10.12Skutterudite
(Co,Fe,Ni)As
 
2-3
3.10.13Cobaltite
CoAsS
3.10.14Paracostibite
CoSbS
3.10.15Costibite
CoSbS
3.10.16Alloclasite
Co
 
1-x
Fe
 
x
AsS
3.10.17Glaucodot
(Co
 
0.50
Fe
 
0.50
)AsS
3.10.18Carrollite
Cu(Co,Ni)
 
2
S
 
4

Other Names for Clinosafflorite

Synonyms:
IMA1970-014
Other Languages:
German:Clinosafflorit
Klinosafflorit
Spanish:Clinosafflorita

Other Information

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

References for Clinosafflorite

Reference List:

- +
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. Canadian Mineralogist 10, 877-881.

Internet Links for Clinosafflorite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Clinosafflorite details from Handbook of Mineralogy (PDF)
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  • Localities for Clinosafflorite

    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Canada
     
    • Ontario
      • Timiskaming District
        • Cobalt-Gowganda region
    RADCLIFFE, D. & BERRY, L.G. (1971): Clinosafflorite: a monoclinic polymorph of safflorite. Canadian Mineralogist 10, 877-881.
            • 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
     
    • Alsace
      • 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
        • Süss
          • Richelsdorf Smelter
    S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
    • 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
     
    • Souss-Massa-Draâ 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)
    Handbook of Mineralogy; Canadian Mineralogist Vol. 21, pp. 129-136 (1983)
    UK
     
    • Scotland
      • Central Region (Clackmannanshire)
        • 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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