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Ruthenarsenite

A valid IMA mineral species
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07349220017754745557335.jpg
Ruthenarsenite, etc.

Miass River, Chelyabinsk Oblast, Russia
07349220017754745557335.jpg
Ruthenarsenite, etc.

Miass River, Chelyabinsk Oblast, Russia
02062890017857433937049.jpg
Ruthenarsenite, etc.

Miass River, Chelyabinsk Oblast, Russia
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About RuthenarseniteHide

Formula:
(Ru,Ni)As
Colour:
Light brown
Lustre:
Metallic
Hardness:
6 - 6½
Specific Gravity:
10.0 (Calculated)
Crystal System:
Orthorhombic
Name:
The name reflects its composition: a ruthenium arsenide.
Note that the name ends with -ite, altough the mineral is an arsenide.


Unique IdentifiersHide

Mindat ID:
3481
Long-form identifier:
mindat:1:1:3481:0

IMA Classification of RuthenarseniteHide

Classification of RuthenarseniteHide

Strunz-mindat (2026):
2.CC.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
C : With Ni, Fe, Co, PGE, etc.
Dana 8th ed.:
2.8.17.1

2 : SULFIDES
8 : AmXp, with m:p = 1:1
Hey's CIM Ref.:
3.12.3

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

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

SymbolSourceReference for Standard
RasIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of RuthenarseniteHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of RuthenarseniteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Light brown
Hardness:
6 - 6½ on Mohs scale
Hardness:
VHN100=743 - 933 kg/mm2 - Vickers
Density:
10.0 g/cm3 (Calculated)

Optical Data of RuthenarseniteHide

Anisotropism:
Strong, orange-brown to pale steel-gray.
Colour in reflected light:
pale orange-brown to brownish gray
Pleochroism:
Visible

Chemistry of RuthenarseniteHide

Mindat Formula:
(Ru,Ni)As
Element Weights:
Element% weight
Ru57.429 %
As42.571 %

Calculated from ideal end-member formula.
Elements listed:
As, Ni, Ru - search for minerals with similar chemistry
Common Impurities:
Ir,Os,Pt,Rh,Pd,Sb

Crystallography of RuthenarseniteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Space Group:
Pnma
Setting:
Pnma
Cell Parameters:
a = 5.628 Å, b = 3.239 Å, c = 6.184 Å
Ratio:
a:b:c = 1.738 : 1 : 1.909
Unit Cell V:
112.73 ų (Calculated from Unit Cell)
Z:
4
Comment:
synthetic

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.061 Å(100)
2.696 Å(70)
2.124 Å(50)
1.780 Å(40)
1.750 Å(40)
1.343 Å(40)
1.302 Å(40)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
26 : Hadean detrital minerals
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])
Stage 4b: Highly evolved igneous rocks>3.0
36 : Carbonatites, kimberlites, and related igneous rocks
37 : Layered igneous intrusions and related PGE minerals
Stage 5: Initiation of plate tectonics<3.5-2.5
38 : Ophiolites

Type Occurrence of RuthenarseniteHide

Other Language Names for RuthenarseniteHide

Common AssociatesHide

Associations Based on Photo Data:
2 photos of Ruthenarsenite associated with IsoferroplatinumPt3Fe
1 photo of Ruthenarsenite associated with GenkinitePt4Sb3
1 photo of Ruthenarsenite associated with TetraferroplatinumPtFe
1 photo of Ruthenarsenite associated with 'Fayalite-Forsterite Series'
1 photo of Ruthenarsenite associated with SperrylitePtAs2
1 photo of Ruthenarsenite associated with ChromiteFe2+Cr3+2O4

Related Minerals - Strunz-mindat GroupingHide

2.CC.EliopoulositeV7S8Trig. 32 : P3221
2.CC.TilkerodeitePd2HgSe3Trig. 3m(32/m) : P3m1
2.CC.'UM2007-26-S:CuFeIrNiPtRh'(Ir,Cu,Ni,Pt,Rh,Fe)9S11
2.CC.Proxitwelvefoldite Pd3Ni4Te8Tet. 4/mmm(4/m2/m2/m) : P42/mnm
2.CC.FerrotorryweiseriteRh5Fe10S16Trig. 3m(32/m) : R3m
2.CC.TamuraiteIr5Fe10S16Trig. 3m(32/m) : R3m
2.CC.Crowningshieldite(Ni0.9Fe0.1)SHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.KuvaeviteIr5Ni10S16Trig. 3m(32/m) : R3m
2.CC.TorryweiseriteRh5Ni10S16Trig. 3m(32/m) : R3m
2.CC.05AchávaliteFeSeHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.05LangisiteCoAsHex. 6 : P63
2.CC.05SederholmiteNiSeHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.05FrebolditeCoSeHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.05NickelineNiAsHex. 6/mmm(6/m2/m2/m) : P63/mcm
2.CC.05SobolevskitePdBiHex.
2.CC.05JaipuriteCoSHex.
2.CC.05KotulskitePd(Te,Bi)2-x (x ≈ 0.4)Hex.
2.CC.05ZlatogoriteNiCuSb2Trig. 3m(32/m) : P31m
2.CC.05StumpflitePtSbHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.05SudburyitePdSbHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.05BreithauptiteNiSbHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.10PyrrhotiteFe1-xSMon.
2.CC.10Smythite(Fe,Ni)3+xS4 (x=0-0.3)Trig. 3m(32/m) : R3m
2.CC.10TroiliteFeSHex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.15Westerveldite(Fe,Ni,Co)AsOrth. mmm(2/m2/m2/m)
2.CC.15ModderiteCoAsOrth. mmm(2/m2/m2/m)
2.CC.15MinakawaiteRhSbOrth. mmm(2/m2/m2/m) : Pnma
2.CC.15CherepanoviteRhAsOrth. mmm(2/m2/m2/m) : Pnma
2.CC.20'UM1990-38-S:CuFeIrNiPtRh'(Ni,Fe,Rh,Cu,Ir,Pt)S
2.CC.20MilleriteNiSTrig. 3m : R3m
2.CC.20MäkineniteNiSeTrig. 3m
2.CC.25MackinawiteFeSTet. 4/mmm(4/m2/m2/m) : P4/nmm
2.CC.30VavříniteNi2SbTe2Hex. 6/mmm(6/m2/m2/m) : P63/mmc
2.CC.30'Hexatestibiopanickelite'(Pd,Ni)(Sb,Te) ?Hex.
2.CC.35bCooperitePtSTet. 4/mmm(4/m2/m2/m) : P42/mmc
2.CC.35aVysotskitePdSTet. 4/m : P42/m
2.CC.35aBraggitePdPt3S4Tet. 4/m : P42/m
2.CC.45JacutingaitePt2HgSe3Trig. 3m(32/m) : P3m1
2.CC.50'Imgreite'NiTe (?)Hex.

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.

Internet Links for RuthenarseniteHide

References for RuthenarseniteHide

Localities for RuthenarseniteHide

Showing 15 localities.

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.
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Locality ListHide

- 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.
China
 
  • Tibet
    • Nagqu
      • Amdo Co. (Anduo Co.)
Anthony et al. (1990)
    • Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture)
      • Qusum Co. (Qusong Co.)
Bai et al. (2007)
Gabon
 
  • Haut-Ogooué Province
    • Léboumbi-Leyou Department
Utsunomiya et al. (2006)
Kazakhstan
 
  • Aktobe Region
    • Kargaly District
doi.org (n.d.) +1 other reference
Papua New Guinea (TL)
 
  • Oro Province
    • Ioma area
Harris (1974)
Russia
 
  • Krasnoyarsk Krai
    • Lysanskiy dunite-peridotite-gabbro complex
Barkov et al. (2023)
  • Primorsky Krai
    • Khanka lake
Shcheka et al. (2004)
  • Sakha
    • Anabar River basin
Okrugin et al. (2024)
  • Sayan Mountains
Kiseleva et al. (2014)
  • Sverdlovsk Oblast
    • Pyshminsky District
Zaccarini et al. (2008)
  • Tuva
    • Kaa-Khemsky District
      • Kaakhem ophiolite belt
Oidup et al. (2012)
South Africa
 
  • Limpopo
    • Sekhukhune District Municipality
      • Fetakgomo Tubatse Local Municipality
        • Steelpoort
Cabri et al. (1977) +3 other references
    • Waterberg District Municipality
      • Mogalakwena Local Municipality
        • Mokopane
Zaccarini et al. (2002)
Cairncross et al. (1995)
USA
 
  • Alaska
    • Bethel Census Area
      • Goodnews Bay
        • Salmon River - Red Mountain District
Anthony et al. (1990)
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