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Pyrosmalite-(Fe)

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CR628110

Pyrosmalite-(Fe)

with antique label
Classic Locality

Description Tabs

Description
Locality: 
Nordmark, Filipstad, Värmland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.6 × 5 × 2.3 cm
Description

This is a fantastic old pyrosmalite-Fe specimen from a classic locality in Sweden.

Large and sharp brown pyrosmalite crystals in and on calcite matrix.

A superb specimen from E. Noske collection and later Dr. Georg Gebhard collection.

Mineral Data
What's on the rock

Pyrosmalite-(Fe)

Formula: 
(Fe,Mn)8Si6O15(OH,Cl)10
Strunz: 
9.EE.10
Hardness: 
4.5
Type Locality: 
Pegmont Pb-Zn deposit, Cloncurry District, Mount Isa - Cloncurry area, Queensland, Australia