Cristobalite in Obsidian
Collection
John Betts - Fine Minerals
Description
Banded formation of black obsidian interlayered with vesicles lined with tan-colored Cristobalite. Collected by R. Morrisette Oct. 2004.
Locality
Obsidian Hill, near Delta, Millard County, Utah
Dimensions
7.5 x 5 x 5 cm.
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