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Olmiite & Calcite

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FCM1166468

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4 × 3.5 cm
Largest Crystal: 
1.50cm
Description

Pink orange crystals of olmiite with clear calcite crystals with some white, acicular xonotlite on matrix.  There is good crystallization on both sides of the piece.  The olmiite fluoresces red under LW UV light.  

Previous labels supplied (not photographed)
Mineral Data
What's on the rock

Olmiite

Formula: 
CaMn2+[SiO3(OH)](OH)
Strunz: 
9.AF.90
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa...

Calcite

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

Current price

$

Starting price

$10
(reserve not met) (reserve met)

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Start 17 Feb 18:00
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Shipping Information

Postage Area Price
US
$12.65
Canada
$19.50
Europe
$23
ROW
$25

Seller Information

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Bid History

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