Columbite-(Fe)-Columbite-(Mn) Series, Microcline, Quartz
Specimen ID: HWC-21U
7cm x 5.4cm x 3.3cm
Collected by:
Photo added to mindat.org
“Edge view of the broken upper left corner shows the extreme thinness of the crystal. It's miraculous that it survived blasting, weathering, and collecting. Photo updated 6/2022. ”
Ed Clopton - 11th December 2013
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