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Cavansite & Calcite

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SCH673833

Cavansite & Calcite

Description Tabs

Description
Locality: 
Wagholi Quarry, Pune, Maharashtra, India
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 0.8 × 0.7 cm
Description

Two groups of cavansite crystals with very well defined faces and edges, forming a bow on a floater rhombohedral crystal of calcite, yellow and translucent. Another cavansite needle is included at the bittom of the calcite. Very minor mordenite is present.

One of the few samples found with this association.
Found in 2008

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

Calcite

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

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