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Phosphoferrite & Perloffite

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CR600458

Phosphoferrite & Perloffite

Rare Mineral

Description Tabs

Description
Locality: 
Hagendorf South Pegmatite, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 6.5 × 2 cm
Description

This is a very good and rich phosphoferrite specimen from Hagendorf mine.

Sharp brown and partly translucent crystals of phosphoferrite on a matrix of phosphoferrite and kryzhanovskite.

With minor tiny black-green perloffite crystals.

RARE !

Mineral Data
What's on the rock

Phosphoferrite

Formula: 
(Fe2+,Mn2+)3(PO4)2·3H2O
Strunz: 
8.CC.05
Hardness: 
3.0 - 3.5
Type Locality: 
Hagendorf North Pegmatite (Meixner Feldspar Pit), Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany

Perloffite

Formula: 
Ba(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3
Strunz: 
8.BH.20
Hardness: 
5.0
Type Locality: 
Big Chief Mine (Johnson pegmatite), Glendale, Keystone District, Pennington Co., South Dakota, USA