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Diopside & Grossular

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SUR96650

Diopside & Grossular

Classic Locality

Description Tabs

Description
Locality: 
Jeffrey Mine, Val-des-Sources, Estrie, Québec, Canada
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 1.5 × 1.5 cm
Description

Grass green, prismatic diopside crystals with clear grossular garnets, some of which have bright green cores (chromian).

Mineral Data
What's on the rock

Diopside

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

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
Surrey Minerals