File:Polycrase-(Y)-619586.jpg

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Polycrase-(Y)-619586.jpg ‎(418 × 600 pixels, file size: 217 KB, MIME type: image/jpeg)

Summary

Description
English: Polycrase-(Y) is a rare multiple-oxide containing Y, U, Ti or Nb and is mainly found in pegmatites. Specimens labeled as being from this obscure locality may be from a pegmatite district around the cities of Rio Pomba and Uba (MINDAT). Specimens of any species are rare from this district. This is a stout, terminated, euhedral, prismatic crystal with an orangish-brown oxidation rind. The minimal bruising reveals the high waxy lustre and moderate translucence of the chocolate-brown crystal with orange highlights. Very rarely available. Ex. Josef Vajdak Collection.
Size: 5.2 x 2.7 x 2.0 cm.
From: Rio Pomba, Minas Gerais, Brazil
Date
Source https://www.mindat.org/photo-619586.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

Rob Lavinsky, the copyright holder of this work, hereby publishes it under the following license:
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Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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inception

15 June 2014

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Date/TimeThumbnailDimensionsUserComment
current21:32, 12 February 2018Thumbnail for version as of 21:32, 12 February 2018418 × 600 (217 KB)YuangaUser created page with UploadWizard
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