File:Rocks - Alkali feldspar granite.JPG

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paul

Summary

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Description
English: Alkali feldspar granite. Holocrystalline texture, coarse-grained. Great amounts of potassium feldspar (orthoclase, pink-reddish in colour); the remaining minerals are quartz (vitreous, shining), plagioclase (grayish) and biotite (black). This sample comes from an undefined Scandinavian location.
Italiano: Granito ad alcali-feldspati. Olocristallino, a grana grossa. Abbondanza di K-feldspato (ortoclasio, rossastro); i minerali rimanenti sono quarzo (vetroso, brillante), plagioclasio (grigiastro) e biotite (nero). Campione proveniente da una non precisata località scandinava.
Date
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Author Khruner

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current21:52, 27 August 2014Thumbnail for version as of 21:52, 27 August 20141,024 × 768 (219 KB)Khruner (talk | contribs)User created page with UploadWizard

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