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Ashoverite

Posted by Rock Currier  
avatar Ashoverite
May 27, 2009 04:23AM
©


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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.



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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. This last bit is tedious and requires patience and some little artistry.



Ashoverite
Zn(OH)2 Tetragonal
~.7mm Ashoverite xls., Milltown Quarry, Milltown, Ashover, Derbyshire, England, UK © Steve Rust


*!Ashoverite Micro? and rare species collections.
Zn(OH)2
United Kingdom
Derbyshire, Milltown. “Specimens sent to the British Museum (Natural History), London, from the oxidized vein that contains sweetite [tetragonal Zn(OH)2] were examined further and were found to contain three additional polymorphs of Zn (OH)2, one of which constitutes the second occurrence of wülfingite. As well γ Zn(OH)2 is present as a white radiating acicular material…The last polymorph (ashoverite) occurs on colorless fluorite as groups of square plates about 0.5 mm across. The mineral is colorless and translucent, progressing to milky grain centers, dull to vitreous luster, white streak, fluoresces bluish white in short-wave ultraviolet light.”1
1 American Mineralogist, Vol. 75, p. 431, 1990.



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 08:10AM by Rock Currier.
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