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Danburite & Amethyst

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SCH108070

Danburite & Amethyst

Description Tabs

Description
Locality: 
San Bartolo Mine, Charcas, Charcas Municipality, San Luis Potosi, Mexico
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3 × 2.1 cm
Description

Very esthetic, formed by prismatic crystals of danburite, one of them clearly dominant, with very sharp faces and edges and clear terminations.

On the middle of the specimen there are groups of amethyst of a nice color, contrasting with the white danburite.

 

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

Amethyst

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0
Colour: 
Purple
schani

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