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Pyrosmalite-(Fe)

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CR537605

Pyrosmalite-(Fe)

Rare Mineral

Description Tabs

Description
Locality: 
Monchi Mine, Burguillos del Cerro, Badajoz, Extremadura, Spain
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.5 × 1.8 cm
Largest Crystal: 
0.50cm
Description

Uncommon Fe-silicate mineral, forms green-brown, haxagonal prismatic crystals with actinolite in calcite matrix.

The specimen was slightly etched to extricate pyrosmalite crystals.

Very good specimen - hard to get nowadays.

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