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Osmium

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MNR882074

Osmium

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Description Tabs

Description
Locality: 
Neiva River, Sysert District, Nizhnii Tagil, Sverdlovsk Oblast, Russian Federation
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 0.5 × 0.5 cm
Description

Multiple Rare Osmiridium grains from Neiva river placers. Grains consist of iridosmine + iridium + ruthenium (50% Os, 35% Ir, 15% Ru). Largest grains are of size about 1 mm. The size of capsule is given above.

Mineral Data
What's on the rock

Osmium

Formula: 
(Os,Ir,Ru)
Strunz: 
1.AF.05
Crystal System: 
Hexagonal
Hardness: 
6.0 - 7.0
Colour: 
White
Streak: 
Grey