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Calcite

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PCZ115689

Calcite

Description Tabs

Description
Locality: 
La Sirena Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 4 × 3 cm
Largest Crystal: 
1.00cm
Description

This is a nice stalactite of crystals that have a satin appearance. Most interesting is the spots that can be seen in the close-ups. these cannot be seen with the naked eye and I only discovered them when taking these images as the camera was obviously focusing on them. they appear to be some sort of inclusion just below the surface of the calcite.

Mineral Data
What's on the rock

Calcite

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