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Amarantite

Posted by Rock Currier  
avatar Amarantite
May 13, 2009 09:11AM
©


Click here for a list of articles that are not under construction but have had at least their first drafts finished.

This article is a place holder and needs someone to take it in hand and finish the first draft. If you would like to take this article in hand, leave a reply message below or contact Rock Currier via private message by clicking on the PM button next to my name at the top of the article.



Click here to view Best Minerals A and here for Best Minerals A to Z and here for Fast Navigation of completed Best Minerals articles.


Can you help make this a better article? What good localities have we missed? Can you supply pictures of better specimens than those we show here? Can you give us more and better information about the specimens from these localities? Can you supply better geological or historical information on these localities?

Below are some preliminary notes I have made about Amarantite. This entry and thread has been made as a place holder for information that you will hopefully contribute about Amarantite. It should be in no way be thought of as a claim I have staked out to write about this mineral, and in fact is an invitation for someone to step forward and create the article about this mineral. If you are so inclined and have questions about the format that such an article should have, go the The welcome topic at the top of the Best Minerals forum and read what has been posted there. Also take a look at some of the more mature articles that have already been written like Rhodochrosite, Adamite, Millerite etc. You will need also to pick out other images of Amarantite that will go into the article.



Amarantite
Fe2+3(SO4)20 7H2O Triclinic
Amarantite, Alcaparrosa Mine, Cerritos Bayos, Calama, Antofagasta Region, Chile ~3mm xl.© 2004 ROM


The species goes back to abut 1890 when it was described in an old American Journal of Science article1.The Handbook of Mineralogy sights crystals up to 2cm but does not specify where they are from, probably from the type locality near Caracoles, Chile. This material is usually not very stable and any specimens should be kept in a cool dry place preferably sealed in an airtight glass container. Mindat lists more than ten localities, many of them in Chile which may have produced the best specimens.
1. American Journal of Science, Vol.40 p.199.

We need to describe the specimens from a few more localities.




Amarantite
Chile
Antofagasta Region, El Loa Province, Calama, Queténa Mine



Click here to view Best Minerals A and here for Best Minerals A to Z and here for Fast Navigation of completed Best Minerals articles.

Rock Currier
Crystals not pistols.



Edited 3 time(s). Last edit at 12/27/2012 08:42PM by Rock Currier.
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