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Vonsenite

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SER718962

Vonsenite

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Description
Locality: 
La Fossa Crater, Vulcano Island, Aeolian Islands, Sicily, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.1 × 1.1 cm
Description

some black elongated crystals on matrix

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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