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Danburite With Calcite

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SHS21431

Danburite With Calcite

Description Tabs

Description
Locality: 
Charcas, Charcas Municipality, San Luis Potosi, Mexico
Size Range: 
Cabinet (10-18 cm)
Size: 
10.6 × 9.3 × 5.9 cm
Largest Crystal: 
2.90cm
Description

Danburite crystals covered with calcite crystals

Mineral Data
What's on the rock

Danburite

Formula: 
CaB2Si2O8
Strunz: 
9.FA.65
Crystal System: 
Orthorhombic
Hardness: 
7.0 - 7.5
Streak: 
White
Type Locality: 
Danbury, Fairfield Co., Connecticut, USA

Calcite

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