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Kolwezite On Cobaltoan Calcite

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SMS1069436

Kolwezite On Cobaltoan Calcite

Description Tabs

Description
Locality: 
Mashamba West Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
11.7 × 5.3 × 8.4 cm
Weight: 
672.00gr
Description

The specimen has small shallow crystals of calcite on scalene crystals of cobaltoan calcite protruding to 1.5cm above the surface contact level. The crystals are euhedral in a pale pink value on a block of calcitic dolomitic matrix. The second generation of tiny calcite crystals attached to the cobaltoan material is a surprise. There is also a little stray botryoidal nodule of kolwezite to 0.4cm. A couple of the crystal on one side are cleaved.

Mineral Data
What's on the rock

Kolwezite

Formula: 
(Cu,Co)2(CO3)(OH)2
Strunz: 
5.BA.10
Hardness: 
4.0
Type Locality: 
Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Cobaltoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Co)CO3
Hardness: 
0.0

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$10
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Start 06 Sep 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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