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Hessonite & Clinochlore

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BMM654040

Hessonite & Clinochlore

Description Tabs

Description
Locality: 
Gava Valley, Voltri, Genova, Genova Province, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 4.5 × 3.2 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.

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...