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Grossular & Diopside

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QBM1020737

Grossular & Diopside

Classic Locality

Description Tabs

Description
Locality: 
Jeffrey Mine, Val-des-Sources, Estrie, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.8 × 2 cm
Description

A splendid specimen of rare colorless garnet var. grossular crystals to 3mm with diopside from the famous Jeffrey mine, Quebec, Canada. The colorless garnets are among the rarest in the world. The grossular crystals are gem, completely transparent and clear like water. They have a rhombic dodecahedral sharp crystallization and glassy luster. Marvelous sprays of diopside needles form the base. It is fluorescent. For references see the 2013 issue of The Mineralogical Record vol. 44, # 4. In very good condition – some small contacts. On acrylic base.

Shipping weight up to 0.250 kg

#20938

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

Diopside

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