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Kôzulite

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RFJ957869

Kôzulite

Type Locality

Description Tabs

Description
Locality: 
Tanohata Mine, Iwate Prefecture, Honshu Island, Japan
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 2.9 × 1.5 cm
Description

This is a top specimen for this rare mineral from it's type locality, Kozulite is found only in a very few places in the world. The cleavage of the dark reddish brown Kozulite crystals is up to 4mm, this is big for the locality. Kozulite is the original Japanese name (approved by IMA 1969) ,the name got changed in 2012 to Mangano-ferri-eckermannite.

 

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

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