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Kôzulite & Braunite

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RFJ970642

Kôzulite & Braunite

Type Locality

Description Tabs

Description
Locality: 
Tanohata Mine, Iwate Prefecture, Honshu Island, Japan
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.1 × 3.3 × 1.8 cm
Description

Shining black Kozulite (Mangano-ferri-eckermannite) in Braunite. Kozulite looks black but the streak is reddish-brown. A rare mineral found only in a few places Worldwide.

 

Mineral Data
What's on the rock

Kôzulite

Renamed To: 

Mangano-ferri-eckermannite

Formula: 
[Na][Na2][Mn2+4(Fe3+)]Si8O22(OH)2
Strunz: 
9.DE.25
Hardness: 
5.0

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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10
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Start 11 Apr 18:00
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Shipping Information

Postage Area Price
Europa ,13Euros registered
13
America, 16 Euros registered
16
East-Asia, 8 Euro registered
8
Australia, 13 Euro registered
13

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Bid History

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