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Cavansite & Stilbite

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TPX918945

Cavansite & Stilbite

Classic Locality

Description Tabs

Description
Locality: 
Wagholi Quarry, Pune, Maharashtra, India
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.3 × 4.8 × 2.8 cm
Weight: 
45.00gr
Description

Spectacular group of blue crystals of cavansite on matrix from this world famous site of India that once gave such good specimens and nowadays is already scarce.

Mineral Data
What's on the rock

Cavansite

Formula: 
Ca(VO)Si4O10·4H2O
Strunz: 
9.EA.50
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 4.0
Type Locality: 
Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA

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

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