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Fassaite & Grossular

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SHS84657

Fassaite & Grossular

Description Tabs

Description
Locality: 
Pitigliano, Grosseto Province, Tuscany, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2.1 cm
Description

Dark oliv fassaite and green grossular crystals on matrix

Mineral Data
What's on the rock

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

Grossular

Formula: 
Ca3Al2(SiO4)3
Strunz: 
9.AD.25
Hardness: 
6.5 - 7.0
Type Locality: 
Akhtaragda River mouth (Achtaragda River mouth), Vilyui River Basin (Vilui River Basin; Wilui River Basin), Sakha Republic (Saha Republic; Yakutia), Eastern-Siberian Region, Russia