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Quartz With Calcite

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PCZ206469

Quartz With Calcite

Description Tabs

Description
Locality: 
Valenciana Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 6 × 4.5 cm
Description

One from my own Mexican collection. They might be the commonest of minerals however this specimen makes up for it in quality. Beautiful quartz prisms with perfect terminations and exceptional clarity form a 'hedgehog' with a few nicely placed calcite aggregates for added interest. Great display.

Mineral Data
What's on the rock

Quartz

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

Calcite

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