Anduoite (original) (raw)

A valid IMA mineral species

Specific Gravity:

8.692 (Calculated)

Crystal System:

Orthorhombic

Name:

For the type locality

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:227:1

f3bf703a-3682-4a11-8589-38f9aff24c0a

IMA Classification of AnduoiteHide

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IMA status notes:

Published without approval

Approval history:

Unnamed, but probably valid.

Type description reference:

Classification of AnduoiteHide

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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.

2.12.2.8

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2

3.12.4

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol Source Reference
Adu 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 AnduoiteHide

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Hardness:

VHN50=1077.9 kg/mm2 - Vickers

Cleavage:

Distinct/Good
One direction observed

Density:

8.692 g/cm3 (Calculated)

Optical Data of AnduoiteHide

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Anisotropism:

Marked in air from brownish yellow to grayish green, pale red to pale green; pronounced in oil from reddish yellow, greenish yellow to purplish gray

Colour in reflected light:

White with pink tint

Comments:

From pinkish grayish white to pinkish white; distinct in oil

Chemistry of AnduoiteHide

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Mindat Formula:

(Ru,Os)As2

Common Impurities:

Ir,Cu,Sb,S

Crystallography of AnduoiteHide

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Crystal System:

Orthorhombic

Cell Parameters:

a = 5.41 Å, b = 6.206 Å, c = 3.01 Å

Ratio:

a:b:c = 0.872 : 1 : 0.485

Unit Cell V:

101.06 ų (Calculated from Unit Cell)

Morphology:

Massive grains

Comment:

Point Group: 2/m 2/m 2/m or mm2.: Space Group: P nnm or P nn2

Crystal StructureHide

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0011943 Anduoite Kjekshus A, Rakke T, Andresen A F (1977) Compounds with the marcasite type crystal structure. XII. Structural data for RuP2, RuAs2, RuSb2, OsP2, OsAs2, and OsSb2 Acta Chemica Scandinavica A31 253-259 1977 synthetic 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
1.920 Å (100)
1.501 Å (90)
1.095 Å (90)
1.133 Å (80)
1.210 Å (70)
1.187 Å (70)
2.000 Å (50)

Geological EnvironmentHide

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Type Occurrence of AnduoiteHide

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General Appearance of Type Material:

Massive grains or granular aggregates, 60-100µm in size, and of lead gray, dull metallic luster.

Place of Conservation of Type Material:

Chinese Geological museum

Geological Setting of Type Material:

Chromium deposit related to augite peridotite and dunite. Host rock is an altered dunite.

Associated Minerals at Type Locality:

Reference:

Tsu-hsiang, Y., Hsueh-tsi, C. (1979) Anduoite, a new ruthenium arsenide. Kexue Tongbao (Chinese Science Bulletin): 24(15): 704-708.

Other Language Names for AnduoiteHide

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Relationship of Anduoite to other SpeciesHide

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Other Members of this group:

Related Minerals - Strunz-mindat GroupingHide

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2.EB. Iridarsenite (Ir,Ru)As2 Mon. 2/m : _P_21/b
2.EB. Selenolaurite RuSe2 Iso. m_3(2/m_3) : P _a_3
2.EB. Andrieslombaardite RhSbS Iso. 23 : _P_213
2.EB. Kanatzidisite (SbBiS3)2Te2 Mon. 2/m : _P_21/m
2.EB.05a Aurostibite AuSb2 Iso. m_3(2/m_3) : P _a_3
2.EB.05b Bambollaite Cu(Se,Te)2 Tet.
2.EB.05a Cattierite CoS2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Erlichmanite OsS2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Fukuchilite Cu3FeS8 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Geversite PtSb2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Hauerite MnS2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Insizwaite Pt(Bi,Sb)2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Krut'aite CuSe2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Laurite RuS2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Penroseite (Ni,Co,Cu)Se2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Pyrite FeS2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Sperrylite PtAs2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Trogtalite CoSe2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Vaesite NiS2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Villamanínite (Cu,Ni,Co,Fe)S2 Tric.
2.EB.05a Dzharkenite FeSe2 Iso. m_3(2/m_3) : P _a_3
2.EB.05a Gaotaiite Ir3Te8 Iso. m_3(2/m_3) : P _a_3
2.EB.05a v Cayeuxite
2.EB.10b Alloclasite Co1-xFexAsS Mon. 2 : _P_21
2.EB.10d Costibite CoSbS Orth. m _m_2 : P m _n_21
2.EB.10a Ferroselite FeSe2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
2.EB.10a Frohbergite FeTe2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
2.EB.10c Glaucodot (Co0.50Fe0.50)AsS Orth. m _m_2 : P m _n_21
2.EB.10a Kullerudite NiSe2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
2.EB.10a Marcasite FeS2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
2.EB.10a Mattagamite CoTe2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
2.EB.10e Paracostibite CoSbS Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a
2.EB.10e Pararammelsbergite NiAs2 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a
2.EB.10f Oenite CoSbAs Orth.
2.EB.10a Petříčekite CuSe2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
2.EB.15a Clinosafflorite CoAs2 Mon. 2/m : _P_21/m
2.EB.15a Löllingite FeAs2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
2.EB.15a Nisbite NiSb2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
2.EB.15a Omeiite (Os,Ru)As2 Orth.
2.EB.15c Paxite CuAs2 Mon. 2/m : _P_21/b
2.EB.15a Rammelsbergite NiAs2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
2.EB.15a Safflorite (Co,Ni,Fe)As2 Orth. m m m _(_2/_m_2/_m_2/m ) : P n n m
2.EB.15b Seinäjokite FeSb2 Orth.
2.EB.20 Arsenopyrite FeAsS Mon. 2/m : _P_21/b
2.EB.20 Gudmundite FeSbS Mon. 2/m : _P_21/b
2.EB.20 Osarsite (Os,Ru)AsS Mon.
2.EB.20 Ruarsite (Ru,Os)AsS Mon.
2.EB.25 va Antimony-bearing Gersdorffite Ni(As,Sb)S
2.EB.25 Cobaltite CoAsS Orth. m _m_2 : P c _a_21
2.EB.25 Gersdorffite NiAsS Iso. m_3(2/m_3) : P _a_3
2.EB.25 Hollingworthite (Rh,Pt,Pd)AsS Iso. m_3(2/m_3) : P _a_3
2.EB.25 Irarsite (Ir,Ru,Rh,Pt)AsS Iso. m_3(2/m_3) : P _a_3
2.EB.25 Jolliffeite NiAsSe Iso. m_3(2/m_3) : P _a_3
2.EB.25 Krutovite NiAs2 Iso. 23 : _P_213
2.EB.25 Maslovite PtBiTe Iso. 23 : _P_213
2.EB.25 Michenerite PdBiTe Iso. 23 : _P_213
2.EB.25 Padmaite PdBiSe Iso. 432
2.EB.25 Platarsite Pt(As,S)2 Iso. m_3(2/m_3) : P _a_3
2.EB.25 Testibiopalladite PdSbTe Iso.
2.EB.25 Tolovkite IrSbS Iso.
2.EB.25 Ullmannite NiSbS Iso. 23 : _P_213
2.EB.25 Willyamite CoSbS
2.EB.25 Changchengite IrBiS Iso. 23 : _P_213
2.EB.25 Mayingite IrBiTe Iso. m_3(2/m_3) : P _a_3
2.EB.25 Kalungaite PdAsSe Iso. m_3(2/m_3) : P _a_3
2.EB.25 Milotaite PdSbSe Iso. 23 : _P_213
2.EB.25 Paragersdorffite Ni(As,S)2 Iso. m_3(2/m_3) : P _a_3
2.EB.25 Orthogersdorffite NiAsS Orth. m _m_2 : P c _a_21
2.EB.25 Kvačekite NiSbSe Iso. 23 : _P_213
2.EB.30 Urvantsevite Pd(Bi,Pb)2 Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_4/m m m
2.EB.35 Rheniite ReS2 Tric. 1 : _P_1

Other InformationHide

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Health Risks:

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

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References for AnduoiteHide

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Reference List:

Kjekshus, A., Rakke, T., Andresen, A.F. (1977) Compounds with the marcasite type crystal structure. XII. Structural data for RuP2, RuAs2, RuSb2, OsP2, OsAs2, OsSb2. Acta Chemica Scandinavica: A31: 253-259.

Gornostayev, S.S., Ohnenstetter, M., Neziraj, A., Ohnenstetter, D., Laajoki, K.V.O., Popovchenko, S.E., Kornienko, P.K. (2001) New occurrences of anduoite, (Ru,Os)As2, from chromite deposits of Ukraine and Albania. The Canadian Mineralogist: 39: 591-606.

Localities for AnduoiteHide

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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

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