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Amethyst With Chrysocolla

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CYF590684

Amethyst With Chrysocolla

Description Tabs

Description
Locality: 
Las Vigas, Las Vigas de Ramírez Municipality, Veracruz, Mexico
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 5.5 × 3.5 cm
Description

A rare combination of Vera cruz amethyst with chrysocolla.  This specimen also has the usual calcite and minor quartz on an altered basalt matrix.

Mineral Data
What's on the rock

Amethyst

Variety Of: 

Quartz

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

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5