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Phosphoferrite & Ludlamite

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ZLT548723

Phosphoferrite & Ludlamite

Description Tabs

Description
Locality: 
Big Chief Mine, Keystone, Glendale, Pennington County, South Dakota, United States of America
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.7 × 0.7 × 0.8 cm
Description

Small pegmatite matrix with brown crystals of phosphoferrite (~0.5 mm) and some greenish ludlamite.

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

Ludlamite

Formula: 
(Fe,Mn,Mg)3(PO4)2·4H2O
Strunz: 
8.CD.20
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Wheal Jane (Falmouth Consolidated Mines), Baldhu, Kea, Camborne - Redruth - St Day District, Cornwall, England, UK

Seller Information

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