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Calcite & Stellerite

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SCH29741

Calcite & Stellerite

Description Tabs

Description
Locality: 
Sarbai Deposit, Rudny, Kostanay Region, Kazakhstan
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 3.1 × 3 cm
Description

Clusters of beautiful , sharp, gemmy calcite perched on stellerite.

The calcite is perfect and completely transparent. The stellerite has a rich deep yellow color and the contrast is quite attractive with the calcite.

Mineral Data
What's on the rock

Calcite

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

Stellerite

Formula: 
Ca4(Si28Al8)O72·28H2O
Strunz: 
9.GE.15
Hardness: 
4.5
Type Locality: 
Mednyi Island, Commander Islands (Komandorskije ostrova), Bering Sea, Kamchatka Oblast', Far-Eastern Region, Russia...
schani

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