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Posts tagged: oligoclase

goodgeology: Pen and ink drawing of garnet gneiss, from Best (1983).

goodgeology:

Pen and ink drawing of garnet gneiss, from Best (1983).

Notes: 21 4/7/12 — 7:19pm Short URL: http://tmblr.co/ZxGFGxJGaDcb Filed under: #geology  #gneiss  #biotite  #garnet  #drawing  #science  #mineralogy  #quartz  #muscovite  #oligoclase  #minerals  #crystals