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Gelosaite

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SMM724870

Gelosaite

Type Locality
Rare Mineral

Description Tabs

Description
Locality: 
Punta de Su Seinargiu, Sarroch, Cagliari Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 0.8 × 0.7 cm
Description

Nice, blue, small group of crystals of this extremely rare Bi-Mo mineral from the type locality stay on a crystalline lump of  yellow koechlinite  Personally collected in 2008. Better visible on microscope that in my photo.

Boxed with Label
Mineral Data
What's on the rock

Gelosaite

Formula: 
BiMo6+(2-5x)Mo5+6xO7(OH)·H2O (0 ≤ x ≤ 0.4)
Strunz: 
07.??
Crystal System: 
Monoclinic
Colour: 
yellow, yellowish green, pale blue
Type Locality: 
Su Senargiu Sarroch, Cagliari, Sardinia, Italy

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