File:Quartz-mz267a.jpg

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Quartz-mz267a.jpg ‎(600 × 511 pixels, file size: 71 KB, MIME type: image/jpeg)

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Description
English: Quartz
Locality: PC Mine (P. C. Crystal Mine), Cataract District (Comet District; Basin District), Jefferson County, Montana, USA (Locality at mindat.org)
Size: small cabinet, 8 x 6.4 x 2.5 cm
Quartz (Japanese Law Twin)
Twinning in quartz, especially when well-formed in good crystals, is very beautiful. In my opinion, the most spectacular twinning in quartz is the Japan Law twin. This superb specimen exhibits sharp twinning and is transparent throughout, illustrating the habit about as well as you could ask - especially for a US specimen (they are more common from Brazil, or even old Japanese locales in this quality). For Montana in particular, this is just a buttkicker of a crystal. In addition, this pristine specimen is a doubly terminated floater complete even around the bottom where you'd normally expect a broken point; and with accenting inclusions of schorl near the base to give a little more visual interest to the piece without detracting the eye from the sharp symmetry. Hands down, one of the best examples of this material I have ever seen. Not surprising, since Marty almost certainly got it from his friend Dave Bunk, who also lives in Denver and happens to be the one who controls the production and marketing of these quartz twins. 8 x 6.4 x 2.5 cm
Deutsch: Quarz
Fundort: PC Mine (P. C. Crystal Mine), Cataract District (Comet District; Basin District), Jefferson County, Montana, Vereinigte Staaten (Fundort bei mindat.org)
Größe: 8 x 6.4 x 2.5 cm
Date before March 2010
date QS:P,+2010-03-00T00:00:00Z/7,P1326,+2010-03-00T00:00:00Z/10
Source Image: http://www.irocks.com/db_pics/pics/mz267a.jpg, Description: http://www.mindat.org/photo-39577.html
Author
Robert M. Lavinsky  (1972–)  wikidata:Q56247090
 
Alternative names
Robert Matthew Lavinsky; Lavinsky, Robert M.; Lavinsky R M
Description American mineral collector and mineral dealer
iRocks.com (Mineralogical Record)
Date of birth 13 December 1972 Edit this at Wikidata
Location of birth Columbus
Authority file
creator QS:P170,Q56247090

Licensing

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Rob Lavinsky, the copyright holder of this work, hereby publishes it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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