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Amethyst

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ESM871291

Amethyst

Description Tabs

Description
Locality: 
Iraí, Rio Grande do Sul, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Museum (18cm plus)
Size: 
19 × 11 × 7.5 cm
Description

A plate of clusters of lustrous translucent amethyst crystals on 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