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Apophyllite & Desmine

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RBR606668

Apophyllite & Desmine

Description Tabs

Description
Locality: 
Pune (Poonah), Maharashtra, India
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5 × 3 cm
Description

Even if apophyllite from India is common, good quality isn't. This specimen shows a few very fine green colored crystals on white desmin. The crystals are sharp terminated with very high luster and perfect termination. No damage.

Mineral Data
What's on the rock

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

Desmine

Variety Of: 

Stilbite

Hardness: 
3.5 - 4