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Perloffite On Quartz

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GMN980764

Perloffite On Quartz

Description Tabs

Description
Locality: 
Spring Creek Mine, Wilmington, Flinders Ranges, South Australia, Australia
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.3 × 0.5 cm
Description

A cluster of  brown perloffite crystals in the matrix cavity.

Mineral Data
What's on the rock

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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