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Pentagonite Calcite

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SHW527799

Pentagonite Calcite

Rare Mineral

Description Tabs

Description
Locality: 
Wagholi Quarry, Pune, Maharashtra, India
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1.5 × 1 cm
Weight: 
0.50gr
Description

Specimen of cluster of dark blue crystals of Pentagonite with sugar cubes like tiny crystals of Calcite grown over the termination of Pentagonite crystals. Very very rare combination.

Wagholi, Pune - India is only location in the whole world where best quality Cavansite & Pentagonite is found. However most of the mines in Wagholi are on the verge of closing down due to the expansion of localities around.

Pentagonite being fragile, there are chances of damage to the crystals during transportation. To minimise the damage, we will take best possible care during packing.

Mineral Data
What's on the rock

Pentagonite

Formula: 
Ca(VO)Si4O10·4H2O
Strunz: 
9.EA.55
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

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