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Kollerite

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GMN867786

Kollerite

Type Locality

Description Tabs

Description
Locality: 
Pécs-Vasas, Pécs, Mecsek Mountains, Baranya County, Hungary
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 0.7 cm
Description

Thousands of yellow sprays of columnar crystals on matrix.

This is the 11 th. sulfite mineral worldwide, and this is the first confirmed ammonium sulfite mineral.
I've found the pieces in 2009 in one single occasion, and in a small quantity. The mineral hasn't been found since then.

Very rich and nice specimen!

Mineral Data
What's on the rock

Kollerite

Formula: 
(NH4)2Fe3+(SO3)2(OH)·H2O
Crystal System: 
Orthorhombic
Type Locality: 
Pécs-Vasas Mine, Baranya County, Hungary
Not Sold

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