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Hessonite Diopside & Clinochlore

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SER966638

Hessonite Diopside & Clinochlore

Description Tabs

Description
Locality: 
Ponte delle Capre, Châtillon, Aosta Valley, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.2 × 5.5 × 4.5 cm
Description

a large rodingite specimen featuring a complete coverture of orange red hessonite crystals, green clonochlore and light green diopside crystals

Mineral Data
What's on the rock

Hessonite

Variety Of: 

Grossular

Formula: 
Ca3Al2(SiO4)3
Strunz: 
9.AD.25
Hardness: 
6.5 - 7.0
Hardness: 
0.0

Diopside

Formula: 
CaMgSi2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.5
Streak: 
white

Clinochlore

Formula: 
(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Brinton's Quarry, West Chester, Westtown Township, Chester Co., Pennsylvania, USA...