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Defernite & Braunite

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CFL1029768

Description Tabs

Description
Locality: 
Kombat Mine, Grootfontein, Otjozondjupa Region, Namibia
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.8 × 2.8 cm
Description

Rich specimen of defernite in braunite.

Mineral Data
What's on the rock

Defernite

Formula: 
Ca6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x (x<0.5)
Strunz: 
5.BA.25
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Güneyce-Ikizdere, Rize Province, Black Sea Region, Turkey

Braunite

Formula: 
Mn2+Mn3+6(SiO4)O8
Strunz: 
9.AG.05
Hardness: 
6.0 - 6.5
Streak: 
Black
Type Locality: 
Oehrenstock (Öhrenstock), Langewiesen, Ilmenau District, Thuringian Forest, Thuringia, Germany

Current price

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Starting price

$40
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Start 24 Nov 18:00
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Shipping Information

Postage Area Price
Canada
$16
USA
$14
Europe
$15
Rest of World
$17

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Collection Arkane accept payments by Paypal and direct email messages.

Bid History

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