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Quartz With Calcite

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SKI579464

Quartz With Calcite

Description Tabs

Description
Locality: 
Valenciana Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 5 × 4 cm
Largest Crystal: 
0.90cm
Description

Prismatic crystals of waterclear quartz with white roundish aggregates of calcite. Sample from the 1980's. Formerly in the collection of H.&B. Dilcher, Frankfurt.

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

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