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Arsenocrandallite

Posted by Rock Currier  
avatar Arsenocrandallite
May 26, 2009 04:32AM
Construction site sign5

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 Arsenocrandallite. This entry and thread has been made as a place holder for information that you will hopefully contribute about Arsenocrandallite. 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 Arsenocrandallite that will go into the article.



Arsenocrandallite
(Ca,Sr)Al3<(OH)5|(AsO4,PO4)2> · H2O Tetragonal


Arsenocrandallite
Germany
Baden-Württemberg, Black Forest, Wolfach, Oberwolfach, Rankach valley, Clara Mine


*Arsenocrandallite Rare species collections.
(Ca,Sr)Al3<(As,P)O4>2(OH)5·H2O
The mineral has also been found at USA, Utah, Juab County, Tintic district, Centennial Eureka Mine.
Germany
Black forest, Oberwolfach, Neubulach Mining District and the Clara Mine. “The mineral forms reniform crusts and spherulitic aggregates up to 0.1 mm. Color blue to bluish-green…The mineral was found on old dumps in the Neubulach mining district…associated with brochantite, chalcophyllite, parnauite, arseniosiderite, mansfieldite, and corroded tennantite.”1
1. American Mineralogist, Vol. 67, July/Aug pp854.


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 2 time(s). Last edit at 12/27/2012 08:24AM by Rock Currier.
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