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Augite Var Fassaite With Clintonite

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TBM1042902

Augite Var Fassaite With Clintonite

Classic Locality

Description Tabs

Description
Locality: 
Vedretta della Miniera, Zebrù Valley, Valfurva, Sondrio Province, Lombardy, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 5.5 × 6.5 cm
Largest Crystal: 
1.00cm
Weight: 
122.00gr
Description

Several greenish Fassaite crystals up to 10 mm are scattering out the surface of this nice specimen with  dark green Clintonite crystals up to 5 mm

Mineral Data
What's on the rock

Augite

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

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

Clintonite

Formula: 
Ca(Mg,Al)3(Al3SiO10)(OH)2
Strunz: 
9.EC.35
Hardness: 
3.5 - 6.0
Type Locality: 
Clintonite type locality, Amity, Town of Warwick, Orange Co., New York, USA