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Oldhamite

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Oldhamite

Rare Mineral

Description Tabs

Description
Locality: 
Ronneburg Uranium Deposit, Gera, Thuringia, Germany
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 0.5 × 0.2 cm
Description

Black curved aggregates of oldhamite on a matrix of anhydrite. Oldhamite, (Ca,Mg)S,  is a sulphide of unusual composition since it contains calcium and magnesium, two chemical elements rarely seen on sulphides.

Mineral Data
What's on the rock

Oldhamite

Formula: 
(Ca,Mg)S
Strunz: 
2.CD.10
Hardness: 
4.0
Type Locality: 
The Bustee meteorite, Gorakhpur, Basti District, Basti Division, Uttar Pradesh, India

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