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Strontianite & Pyrite

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NST720283

Strontianite & Pyrite

Description Tabs

Description
Locality: 
Wohlverwahrt Mine, Nammen, Detmold, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.3 × 3 cm
Description

Snow-white aggregates of analysed Strontianite and octahedral Pyrite in a vug of a Siderite vein from Wohlverwahrt Mine. This is a rarity from the last remaining active iron ore mine in Germany. Usually this material does not reach the mineral market, this one is from a small lot we acquired from a retired miner.

Mineral Data
What's on the rock

Strontianite

Formula: 
SrCO3
Strunz: 
5.AB.15
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
White
Type Locality: 
Strontian, North West Highlands (Argyllshire), Scotland, UK

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5