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Gelosaite & Sardignaite

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CSL165328

Gelosaite & Sardignaite

IMA2009-022, IMA2008-040
New Mineral type

Description Tabs

Description
Locality: 
Punta de Su Seinargiu, Sarroch, Cagliari Province, Sardinia, Italy
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.5 × 1.4 cm
Description

Extremely rare, new bismuth-molybdate minerals gelosaite and sardignaite from the Type Locality. Gelosaite forms greenish blue crystal with yellow acicular crystals of sardignaite on molybdenite bearing quartzite matrix.

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

Sardignaite

Formula: 
BiMo2O7(OH)·2H2O
Strunz: 
04.E
Crystal System: 
Monoclinic
Colour: 
Grey, white
Type Locality: 
Su Senargiu Sarroch, Cagliari, Sardinia, Italy
Loranth Minerals

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