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Pyrochlore Group & Magnesioferrite

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SHS1044783

Pyrochlore Group & Magnesioferrite

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Description
Locality: 
Ohrberg Quarry, Schelingen, Freiburg, Baden-Württemberg, Germany
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 2.3 × 1.6 cm
Description

Pyrochlore var koppite and magnesioferrite in matrix

Mineral Data
What's on the rock

Pyrochlore Group

Formula: 
A2Nb2(O,OH)6Z
Strunz: 
4
Crystal System: 
Isometric
Hardness: 
5 - 5.5
Colour: 
Brown, yellow-brown, reddish brown, orange, black
Streak: 
Light brown, yellow-brown

Magnesioferrite

Formula: 
MgFe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Streak: 
Dark red
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

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Start 28 Apr 18:00
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