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Ruthenium

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SKY761079

Ruthenium

Rare Mineral

Description Tabs

Description
Locality: 
Placer Deposit, Uchaly, Uchalinsky District, Bashkortostan, Russian Federation
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.05 × 0.05 × 0.05 cm
Description

Certified nugget of native ruthenium of 0,5 mm size from gold concentrates of unspecified placers around Uchaly city, Eastern Bashkortostan, Southern Ural, Russia.

Analyzed specimen, see copy attached.

Very difficult to get in analyzed pecimens !

This ruthenium nuggets are natural hexagonal Os-Ir-Ru alloy with composition ranging from (Ru0.48Os0.26Ir0.23Pt0.02) to (Ru0.35Os0.32Ir0.28Pt0.03Rh0.02). Ruthenium content in these nuggets from this river vary from 32.45 to 22.28 mas.%, osmium 31.83-38.43 mas.% and iridium - from 29.70 to 34.30 mas.%. 

Note, that Ru is the most light member of platinum family metals, so its small weight percentage produce high atomic one. These alloys are nonmagnetic and they had to pick out from the gold concentrate manually.

Native ruthenium is one of the rarest native elements !

Mineral Data
What's on the rock

Ruthenium

Formula: 
(Ru,Ir)
Strunz: 
1.AF.05
Crystal System: 
Hexagonal
Hardness: 
6.5
Type Locality: 
Horokanai placer, Uryugawa, Uryu-gun, Kamikawa Province, Hokkaido, Japan

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