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Grossular With Diopside & Clinochlore

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QBM1013497

Grossular With Diopside & Clinochlore

Classic Locality

Description Tabs

Description
Locality: 
Jeffrey Mine, Val-des-Sources, Estrie, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 1.8 × 1.2 cm
Largest Crystal: 
0.40cm
Description

A colorful specimen of gem garnet var. grossular var. chromian with clinochlore and diopside from the famous Jeffrey mine, Quebec, Canada. The grossular crystals to 4 mm have a rich grass-green color result of chromium. They have a rhombic dodecahedral sharp crystallization, glassy luster and irresistible color. The crystals are gemmy. Dark clinochlore rosettes and needle diopside crystals are seen too. Very hard to find one of these now – the mine is closed. For references see the 2013 issue of The Mineralogical Record vol. 44, # 4. In very good condition – some small contacts. On acrylic base.

Mesmerizing!

Shipping weight up to 0.250 kg

#20815

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

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...