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Hessonite & Clinochlore

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BMM667686

Hessonite & Clinochlore

Description Tabs

Description
Locality: 
Gava Valley, Voltri, Genova, Genova Province, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 6.5 × 3.9 cm
Description

Highly lustrous hessonite crystals with dark cherry-red color crowded over one side of a matrix face. As you can see on the photos there are also some gray-green densely packed books of clinochlore on the hessonite. The crystals twinkle like bright stars as they catch and reflect the light. They are very transparent and reach a size of up to 8 mm!

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

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...
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