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File:Rubicline.jpg

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English: :Locality: Vasin-Myl'k Mountain, Kola, Russian Federation
Size: 2.8 × 1.7 × 0.5 cm
Description: Polished chip of a granitoid containing Rb rich microcline and rubicline. Rubicline is the Rb analogue of microcline, (Rb,K)AlSi3O8, ideally RbAlSi3O8, and occurs in granitic pegmatites. Accompanied by pollucite, 'mica' and quartz. Only 4 accepted species contains Rb, and rubicline was the first mineral described with rubidium as an essential constituent. IMA1996-058.
Date
Source Own work
Author Joan Rosell, from rosellminerals.com

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20 October 2018

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current20:00, 29 October 2018Thumbnail for version as of 20:00, 29 October 2018979 × 1,000 (677 KB)Rosell MineralsUser created page with UploadWizard

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