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Quartz : SiO2, Chlorite Group, Albite : NaAlSi3O8

Copyright © Fred Schuster
 
 
minID: JLQ-NL3

Quartz : SiO2, Chlorite Group, Albite : NaAlSi3O8

Copyright © Fred Schuster  - This image is copyrighted. Unauthorized reproduction prohibited.

A piece collected by Fred Schuster in 2006. It was found on the side of the road as fill after blasting through a section related to the Caldwell formation.
The specimen is 7"x4 1/2" x 2". The crystals are included with chlorite group mineral and albite crystals are have grown on the quartz.

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Photo added: 11th May 2008