Miller Canyon 16

 

 

From Miller Canyon in the Huachuca Mountains, Arizona, a large combination of red/orange Calcite with creamy yellow Powellite.  The upper picture shows the response under shortwave UV while the lower picture shows the response under midwave UV where you can see the full extent of the Powellite coverage.  Dimensions are 5 x 5 x 2 inches.  Price: $70