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Harmotome On Pyrite

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CYF706749

Harmotome On Pyrite

Description Tabs

Description
Locality: 
Rosebery Mine, Rosebery District, Tasmania, Australia
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 5.5 × 1 cm
Description

A good sized plate of white / clear Harmotome on an irridescent Pyrite covered matrix. This is from a small find at the Rosebery mine in Tasmania.

Mineral Data
What's on the rock

Harmotome

Formula: 
(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O
Strunz: 
9.GC.10
Crystal System: 
Monoclinic
Hardness: 
4.0 - 5.0
Streak: 
White
Type Locality: 
St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5