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Asbecasite

Posted by Rock Currier

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Rock Currier

Asbecasite
May 26, 2009 07:06PM

Registered: 7 years ago
Posts: 8,471


©

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.

This article is in a pre-construction phase.Someone is needed to work on this article which contains a few preliminary notes.
1. The localities need to be brought into conformity with mindat locality strings if necessary, reversed and made bold.
2. If image links appear below they need to be embedded in the article. If none are present the Mindat image bank needs to be searched for images of this mineral and the better ones and their localities need to be placed in the article.
3. The captions for the images need to be added.
4. The images need to be tweaked so that they look nice. If there are many, this part can be tedious and requires patience and some little artistry.

Asbecasite
Ca₃(Ti,Sn⁴⁺)Be₂[(AsO₃)₃|SiO₄]₂ Trigonal


A 2.5cm Asbecasite xl on Cafarsite, Wanni glacier, Scherbadung Mt. Kriegalp Valley,Binn Valley, Wallis, Switzerland	© J. Rosell

Asbecasite Micro and rare species collections.
Ca3(Ti,Sn4+)As63+Si2Be2O20
Switzerland
Southern Binnatal, Monte Leone Nappe, Cherbadung?. “The mineral occurs as rhombohedral crystals up to 5 mm in size. Color lemon, transparent, high luster. Cleavage rhombohedral...was found on cleft faces in orthogneisses of the Monte Leone nappe…” 1 At the Kopparberg show in Sweden in 1990 one dealer had “excellent thumbnail asbecasite from Cherbadung…” That means he had a number of small specimens of this rare mineral for sale.2
1 American Mineralogist, Vol.52, p.1584 - 2 Mineralogical Record, Vol. 22, 1991, p47.

We need someone to tell us about th Asbecasite specimens from this locality.

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 4 time(s). Last edit at 12/27/2012 08:14AM by Rock Currier.

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