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Calcite On Cavansite

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SHW574110

Calcite On Cavansite

Description Tabs

Description
Locality: 
Wagholi Quarry, Pune, Maharashtra, India
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 2 × 2 cm
Weight: 
4.00gr
Description

Big size rosette (2 cm diameter) of dark blue Cavansite with cubical Calcites grown over the surface. Cavansite rosette is left from the matrix during blasting in the mines. Calcites have very attractive texture on the surface.

Wagholi, Pune - India is the only one location in the whole world, where best quality cavansite & pentagonite is found. Due to expansion of localities around, mines are almost on the verge of closing down.

Mineral Data
What's on the rock

Calcite

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

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

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