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Calcite On Datolite

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BRO105251

Calcite On Datolite

Description Tabs

Description
Locality: 
Charcas, Charcas Municipality, San Luis Potosi, Mexico
Size Range: 
Cabinet (10-18 cm)
Size: 
8 × 11 × 4 cm
Largest Crystal: 
3.50cm
Description

A large twinned calcite crystal on an unusual lavender to fleshy colored datolite. The large twinned crystal is 3.5cm along the edge and 5cm on a diagonal. The crystal has a small 5mm ding on one side but it is barely noticable. The last picture shows the ding. I had to use really dark lighting just to make it visible. The smaller calcite also has a dinged corner. The calcites have a slight yellowish color and outstanding luster. The datolite also has great luster. Displays nicely.

Mineral Data
What's on the rock

Calcite

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

Datolite

Formula: 
Ca(HBSiO5)
Strunz: 
9.AJ.20
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Nødebro Mine (Nøddebro), Arendal Iron Mines, Arendal, Aust-Agder, Norway
Mineral Brothers

Seller Information

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