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Calcite On Pyrite

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CR1170253

Description Tabs

Description
Locality: 
Niccioleta Mine, Massa Marittima, Grosseto Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 5 × 3.5 cm
Description

A very interesting piece of calcite scalenohedrons covering large pyrite crystals from the Theo Döring collection—acquired in 1971.

The calcite crystals were incorrectly identified as strontianite, but EDS measurements confirm that they are 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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

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$10
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Start 27 Mar 16:00
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Shipping Information

Postage Area Price
Germany
6.50
Europe
9
Rest of World
$12.50
USA
15

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