Stichtite

From Wikipedia, the free encyclopedia
Stichtite

Stichtite on serpentine
General
Category Carbonate minerals
Formula
(repeating unit)
Mg6Cr2CO3(OH)16·4H2O
Strunz classification 05.DA.50
Crystal symmetry Trigonal

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

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

External links

See also

This article is issued from Wikipedia. The text is available under the Creative Commons Attribution/Share Alike; additional terms may apply for the media files.