different between picotite vs lherzolite

English

picotite (countable and uncountable, plural picotites)

From Lherz in the Pyrenées +? -lite.

lherzolite (countable and uncountable, plural lherzolites)

(mineralogy) A dark-green igneous rock consisting largely of chrysolite, with pyroxene and picotite.
- 2004, Richard Fortey, The Earth, Folio Society 2011, p. 60:
  The most important variety is called lherzolite: its list of constituent minerals includes a lot of olivine but also feldspar and pyroxene, and often small quantities of two other minerals: garnet and spinel.

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