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Grandaite

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FRE164385

Grandaite

New Mineral type

Description Tabs

Description
Locality: 
Valletta Mine, Aisone, Cuneo Province, Piedmont, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.5 × 3 × 1 cm
Description

Many salmon orange crystalline grains up to about 1 mm of grandaite embedded in a quartz layer cutting a hematitic matrix. Grandaite Sr2Al(AsO4)2(OH) (IMA 2013-059) comes from an ancient mine located on the Cottian Alps (2500 m asl). EDX probed.

Mineral Data
What's on the rock

Grandaite

Formula: 
Sr2Al(AsO4)2(OH)
Hardness: 
0.0
Type Locality: 
Valletta Mine (La Valletta Mine), Vallone della Valletta, Canosio, Maira Valley, Cuneo Province, Piedmont, Italy

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