12.108 | Fall 2004 | Undergraduate

Structure of Earth Materials

Phyllosilicates

lab3-21.jpg

Description:

Biotite crystal in feldspar showing perfect basal cleavage: K(Mg,Fe)3(AlSi3O10)(OH)2. Courtesy of OCW.

Alt text:
Biotite crystal in feldspar showing perfect basal cleavage.
Caption:
Biotite crystal in feldspar showing perfect basal cleavage: K(Mg,Fe)3(AlSi3O10)(OH)2.
Credit:
Courtesy of OCW.
Biotite crystal in feldspar showing perfect basal cleavage.

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