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Kremersite

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FDW44750

Kremersite

Description Tabs

Description
Locality: 
Anna Mine, Alsdorf, Cologne, North Rhine - Westphalia, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2.5 × 2 cm
Description

Kremersite is a rare mineral that you will not see very often on the mineral market. If offered, then as red crusts. But on this piece it forms nice transparent orange to red crystals. There are also some unknown yellow and white phases on the specimen. I found this piece in 2005 and the crystals have been translucent since then and the matrix is stable.

High resolution mineral images (tiff 75 MB), for use in articles or to print A3 for your wall, will be provided as download.

Mineral Data
What's on the rock

Kremersite

Formula: 
(NH4,K)2[Fe3+Cl5(H2O)]
Strunz: 
3.CJ.10
Hardness: 
0.0
Colour: 
Brown-red
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy
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