This stone comes from the State of Texas Mine in Cochise County, off-limits to collecting as it is located on protected federal land. Read more about Grace Marion Sparkes and the history of Coronado National Memorial here.
Flat sawcut surface, white light. 7"x4"
Fluorescent calcite (red) and willemite (green), shortwave UV.
Close-up view of the sawcut side.
Close-up view of the rough side. An unidentified blue fluorescence is visible here as well.
Purchased from Polman Minerals.
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