albite
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Albite. Credit: USGS
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A common mineral occurring in igneous rocks,
consisting of sodium aluminum silicate
(NaAlSi3O8); it often forms vitreous crystals of various
colors. Albite, a variety of plagioclase,
is one of the three end-members (pure compounds) of the feldspar
group. Related category
• GEOLOGY
AND PLANETARY SCIENCE
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