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Cavansite & Stilbite

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ESM507979

Cavansite & Stilbite

Type Locality

Description Tabs

Description
Locality: 
Owyhee Dam, Malheur County, Oregon, United States of America
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 2.2 × 1.2 cm
Description

Blue lustrous radial sprays of cavansite crystals with tabular colorless stilbite crystals

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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