Stichtite

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Stichtite
Stichtite- Lizardite.jpg
Stichtite on serpentine
General
CategoryCarbonate minerals
Formula
(repeating unit)
Mg6Cr2CO3(OH)16·4H2O
Strunz classification05.DA.50
Crystal symmetryTrigonal
 
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Stichtite
Stichtite- Lizardite.jpg
Stichtite on serpentine
General
CategoryCarbonate minerals
Formula
(repeating unit)
Mg6Cr2CO3(OH)16·4H2O
Strunz classification05.DA.50
Crystal symmetryTrigonal

Stichtite is a mineral, a carbonate of chromium and magnesium; formula Mg6Cr2CO3(OH)16·4H2O. Its colour ranges from pink through lilac to a rich purple colour. It is formed as an alteration product from chromium containing serpentine.

Discovered in 1910 in Western Tasmania, Australia, it was first recognised by A.S. Wesley a former chief chemist with the Mount Lyell Mining and Railway Company, it was named after Robert Carl Sticht the manager of the mine [1]

It was observed near the Adelaide Mine, Dundas - east of Zeehan, as well as on the southern shore of Macquarie Harbour. It is exhibited in the West Coast Pioneers Museum in Zeehan.

Notes[edit]

  1. ^ Tasmania Department of Mines, Geological Survey Record Number 9 Catalogue of the Minerals of Tasmania. Revised edition 1970, page 96

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