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oligoclase Definition

oli·go·clase (-klās′)

noun

a plagioclase feldspar whose composition corresponds to 70 to 90 percent albite

Etymology: Ger oligoklas < Gr oligos (see oligo-) + klasis, a fracture (see clastic), in contrast to orthoclase, because cleavage differs slightly from 90°

Browse dictionary entries near oligoclase

  1. ‹ oligochaete
  2. ‹ Oligocene
  3. ‹ oligo-
  4. ‹ oligarchy
  5. ‹ oligarch
  6. ‹ olibanum
  7. ‹ Olga
  8. ‹ OLG
  9. ‹ olfactronics
  10. ‹ olfactory nerve
  1. oligonucleotide ›
  2. oligophagous ›
  3. oligopoly ›
  4. oligopsony ›
  5. oligosaccharide ›
  6. oligotrophic ›
  7. oliguria ›
  8. olio ›
  9. olivaceous ›
  10. olivary ›