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Vonsenite

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TPX657764

Vonsenite

Rare Mineral

Description Tabs

Description
Locality: 
Monchi Mine, Burguillos del Cerro, Badajoz, Extremadura, Spain
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.3 × 1.3 cm
Weight: 
28.00gr
Description

Very interesting specimen of this rare borate vonsenite, crystallized in iridescent black fibers. This mineral is very rare to find and here in Spain this is the only deposit where it was a few years ago.

Mineral Data
What's on the rock

Vonsenite

Formula: 
Fe2+2Fe3+(BO3)O2
Strunz: 
6.AB.30
Hardness: 
5.0
Type Locality: 
Old City Quarry (City Quarry), North Hill, Fairmont Park, Riverside, Riverside Co., California, USA

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