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Calcite On Duftite

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SMS1044130

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Mixed Specimens
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.8 × 4.4 × 1.9 cm
Largest Crystal: 
1.60cm
Weight: 
19.64gr
Description

The specimen has an intergrown deposit of small calcite crystals with one larger crystal standing out on a layer of dark olive green duftite. The crystal habit for the calcite is one of a rhombohedron in the trigonal system. The larger crystal to 1.6cm across.

Mineral Data
What's on the rock

Calcite

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

Duftite

Formula: 
PbCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

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$10
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Start 26 Apr 18:00
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Shipping Information

Postage Area Price
Europe up to 500 grams
$12
Europe up to 1 kilogram
$16
United States up to 500 grams
$14
United States up to 1 kilogram
$18
Rest of world up to 500 grams
$14
Rest of world up to 1 kilogram
$18

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