12.108 | Fall 2004 | Undergraduate

Structure of Earth Materials

Tectosilicates

lab3-31.jpg

Description:

K-Feldspar showing perthite lemelli: KAlSi3O9. Courtesy of OCW.

Alt text:
potassium feldspar.
Caption:
K-Feldspar showing perthite lemelli: KAlSi3O9.
Credit:
Courtesy of OCW.
potassium feldspar.

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