Ruthenium-bearing Iridium
A variety of Native Iridium
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About Ruthenium-bearing Iridium
Formula:
(IrxRuyOsz)
x <0.8, 0.2< y <0.43, z <0.1
Colour:
tin-white, greyish
Lustre:
Metallic
Crystal System:
Isometric
Cubic alloy in system Os-Ir-Ru with contents Ir less than 80 at.%, Os less than 10 at.% and Ru in range 20-43 at.%. Rare variety of cubic native Iridium.
Unique Identifiers
Mindat ID:
53187 (as Ruthenium-bearing Iridium)
2045 (as Native Iridium)
2045 (as Native Iridium)
Long-form identifier:
mindat:1:1:53187:0 (as Ruthenium-bearing Iridium)
mindat:1:1:2045:5 (as Native Iridium)
mindat:1:1:2045:5 (as Native Iridium)
IMA Classification of Ruthenium-bearing Iridium
Approval history:
Initially was proposed as distinct phase of Os-Ir-Ru system according to nomenclature of Harris and Cabri of 1973. After adoption of "50% rule" considered as variety of cubic native Iridium.
Physical Properties of Ruthenium-bearing Iridium
Metallic
Colour:
Tin-white, greyish
Tenacity:
Malleable
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Chemistry of Ruthenium-bearing Iridium
Mindat Formula:
(IrxRuyOsz)
x <0.8, 0.2< y <0.43, z <0.1
x <0.8, 0.2< y <0.43, z <0.1
Element Weights:
Elements listed:
Crystallography of Ruthenium-bearing Iridium
Crystal System:
Isometric
Synonyms of Ruthenium-bearing Iridium
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 Ruthenium-bearing Iridium
mindat.org URL:
https://www.mindat.org/min-53187.html
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References for Ruthenium-bearing Iridium
Localities for Ruthenium-bearing Iridium
ⓘ - 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.
- 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).
All localities listed without proper references should be considered as questionable.
Russia | |
| Pavel M. Kartashov analytical data 2018 |
South Africa | |
| Feather (1976) |
Sysertsky District, Sverdlovsk Oblast, Russia