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Stilbite & Apophyllite

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MGR800438

Stilbite & Apophyllite

Description Tabs

Description
Locality: 
Nashik District, Maharashtra, India
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.8 × 6.6 × 4.5 cm
Description

An isolated aggregate of very intense colored desmin resting on colorless, highly lustrous apophyllite crystals. If you only give minor backlit to the piece the desmin seems to glow from the inside. The habit, the assemble as well the contrast give a great visual impact to this stunning piece.

Mineral Data
What's on the rock

Stilbite

Synonym Of: 

Stilbite-Ca

Formula: 
NaCa4[Al9Si27O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0

Stilbite-Na

Formula: 
(Na,Ca,K)6-7[Al8Si28O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0
Hardness: 
3.5 - 4
Colour: 
White
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