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Offretite

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PAV960244

Offretite

Classic Locality

Description Tabs

Description
Locality: 
Lago d'Arno, Cevo, Brescia Province, Lombardy, Lombardy, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.2 × 1.7 cm
Description

Superb sample with several short offretite crystals.

Acquired: 
Boxed with Label
Mineral Data
What's on the rock

Offretite

Formula: 
KCaMgAl5Si13O36·16H2O or near
Strunz: 
9.GD.25
Hardness: 
4.0 - 4.5
Type Locality: 
Mont Semiol (Mont Semiouse; Mont Simiouse), Châtelneuf, Saint-Georges-en-Couzan, Loire, Rhône-Alpes, France