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GEOLOGY - MINERALS & VOLCANOES > AMPHILBOLE (HORNBLENDE) > Flashcards

AMPHILBOLE (HORNBLENDE) Flashcards

1
Q

hornblende characteristics

A
  • prismatic crystals, with 6-sided cross-section
  • shades of dark green to black

-often showing perfect cleavage of 60-120+brown/green pleochroic in ppl/xpl

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2
Q

hornblende occurrence

A

intermediate to acidic (felsic) igneous rock

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GEOLOGY - MINERALS & VOLCANOES (25 decks)

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