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Vesuvianite With Fassaite

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SKI575522

Vesuvianite With Fassaite

Classic Locality

Description Tabs

Description
Locality: 
Fassa Valley, Trento Province, Trentino-Alto Adige, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 6.5 × 4 cm
Largest Crystal: 
0.50cm
Description

A combination of brown vesuvianite with green fassaite (a variety of augite) and blue calcite from fassa valley. Most likely from monzoni mts.

Comes with a handwritten label of the H. Uhlendorf collection.

Mineral Data
What's on the rock

Vesuvianite

Formula: 
(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Strunz: 
9.BG.35
Hardness: 
6.5
Streak: 
White
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Fassaite

Variety Of: 

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Hardness: 
5.5 - 6.0
Hardness: 
0.0

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