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Ruthenium

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RSL695269

Ruthenium

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Description Tabs

Description
Locality: 
Nizhnii Tagil, Sverdlovsk Oblast, Russian Federation
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.24 × 0.2 × 0.1 cm
Description

This is a small grain of native ruthenium with composition (Ru0.51,Os0.25,Ir0.24) from PGM concentrates of Neiva river sands. Analysis has been carried out with JEOL FE-SEM. Harris & Cabri (1973) indicated in the diagram attached that this composition must be related to rutheniridosmine, but according to 50% rule accepted by IMA, it is Ruthenium now.

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
Analysis
Analysis Report - only: Ruthenium
Analysis Report - only: Ruthenium