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Calcite & Gypsum

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PDM612288

Calcite & Gypsum

Description Tabs

Description
Locality: 
Platosa Mine, Bermejillo, Mapimí Municipality, Durango, Mexico
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.8 × 8 × 5.2 cm
Description

A finger-like growth of calcite and gypsum from the Platosa Mine (Mexico). Intense yellow fluorescence under Long UV light, as shown in the first picture. Completely free of damage.

Ex. Bob Janssens specimen #469. 

Mineral Data
What's on the rock

Calcite

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

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

Seller Information

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