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Plumboferrite

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JYJ704320

Plumboferrite

Description Tabs

Description
Locality: 
Letmathe, Iserlohn, Sauerland, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.2 × 0.7 cm
Description

Brown plumboferrite crystals on matrix. Rich specimen from the Letmathe smelters.

Mineral Data
What's on the rock

Plumboferrite

Formula: 
Pb2Fe3+11-xMn2+xO19-2x, x = 1/3
Strunz: 
4.CC.45
Hardness: 
5.0
Colour: 
Blackish
Streak: 
Red
Type Locality: 
Jakobsberg Mine, Nordmark (Nordmarksberg), Filipstad, Värmland, Sweden