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Calcite & Apophyllite

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PJM37705

Calcite & Apophyllite

Ex W & I Coode Collection

Description Tabs

Description
Locality: 
Pune (Poonah), Maharashtra, India
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.3 × 3.1 × 2.5 cm
Largest Crystal: 
1.60cm
Description

A beautifully twinned golden rhomb of calcite with a small doubly terminated apophyllite attached. The calcite is gemmy clear, a superb toenail.

Mineral Data
What's on the rock

Calcite

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

Apophyllite

Synonym Of: 

Fluorapophyllite-(K)

Formula: 
KCa4(Si8O20)(F,OH)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.5 - 5.0

Fluorapophyllite-(Na)

Formula: 
NaCa4(Si8O20)F·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Hydroxyapophyllite-(K)

Formula: 
KCa4(Si8O20)(OH,F)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0
Earthstones Australia

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