Feldspar

Feldspar

Jesse Russell Ronald Cohn

     

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ISBN: 978-5-5110-1828-7

High Quality Content by WIKIPEDIA articles! Feldspars (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8) are a group of rock-forming tectosilicate minerals which make up as much as 60% of the Earth`s crust.

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