12.108 | Fall 2004 | Undergraduate

Structure of Earth Materials

Tectosilicates

lab3-34.jpg

Description:

Intergrown sodalite: Na8(AlSiO4)6Cl2 and nepheline: (Na,K)AlSiO4. Courtesy of OCW.

Alt text:
Intergrown sodalite and nepheline.
Caption:
Intergrown sodalite: Na8(AlSiO4)6Cl2 and nepheline: (Na,K)AlSiO4.
Credit:
Courtesy of OCW.
Intergrown sodalite and nepheline.

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