Distorted crystal() | |||
Sample Image | |||
Distorted crystal. (External Sample) This strange object is native (naturally occurring) graphite from Roger's Ford, Mt. Burgess, Canada, acquired by the Harvard Museum of Natural History in 1927. Location: The Harvard Museum of Natural History Photographed: 2 October, 2002 Size: 3 Purity: >90% | |||
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