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Grossular Var Hessonite On Clinochlore

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TBM942171

Grossular Var Hessonite On Clinochlore

Description Tabs

Description
Locality: 
Faiallo Pass, Urbe, Savona Province, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5 × 3 cm
Weight: 
230.00gr
Description

Classic sample of  Hessonite of ligurian rodingites.These samples come from the main vein of the field and were digg in the mid-70s. The largest crystal is 1 mm

Mineral Data
What's on the rock

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

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...