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Fluorellestadite & Tobermorite In Calcite

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CLB108971

Fluorellestadite & Tobermorite In Calcite

Description Tabs

Description
Locality: 
Commercial Quarry, Crestmore, Riverside County, California, United States of America
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.6 × 6.4 × 4.5 cm
Largest Crystal: 
0.50cm
Description

Yellow fluorellestadite crystals up to 0.5 cm and white spots of tobermorite in beautiful blue calcite-marble. The mine ceased producing in the eighties. Large crystals of fluorellestadite like this are very rare.

Mineral Data
What's on the rock

Fluorellestadite

Formula: 
Ca5(SiO4)1.5(SO4)1.5F
Strunz: 
9.AH.25
Hardness: 
4.5
Type Locality: 
Coal mine No. 44, Kopeisk, Chelyabinsk coal basin, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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