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Quartz Var Ametrine

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MGR803867

Quartz Var Ametrine

Floater

Description Tabs

Description
Locality: 
Anahi Mine, La Gaiba, Sandoval Province, Santa Cruz Department, Bolivia
Class: 
Single Crystal
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 4.8 × 3.9 cm
Description

This is a large crystal of "ametrine" (combination of yellow and purple tones) quartz from Bolivia, which got its weird form and silky luster from natural etching. If you hold it up to the light, you can see that it is very gemmy through the center; these are sometimes cut into stones, often showing the multiple colors. This one has a beautiful purple glow and a golden band running through the center/top.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Ametrine

Variety Of: 

Quartz

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