12.108 | Fall 2004 | Undergraduate

Structure of Earth Materials

Tectosilicates

lab3-30.jpg

Description:

Intergrown K-Feldspar crystals and fragment showing perthite lamelli: KAlSi3O8. Courtesy of OCW.

Alt text:
potassium feldspar.
Caption:
Intergrown K-Feldspar crystals and fragment showing perthite lamelli: KAlSi3O8.
Credit:
Courtesy of OCW.
potassium feldspar.

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