Other physical properties that are commonly seen in reflected light include evidence of mineral hardness and cleavage, and internal reflections in minerals that are not total opaque (these become dominant in silicates and other transparent minerals  note the calcite matrix in the graphite photo above).
Ralston, Wyoming. Ralston is a census-designated place (CDP) in Park County, Wyoming, United States. The population was 280 at the 2010 census.
Labels: diamonds, gold mining, gold nuggets, gold panning, GPAA, placer mining, wyoming diamonds. The cool mountain air trimmed the harsh Wyoming sun making the day pleasant. Winter had finally receded, but evidence of an occasional snow drift hid in the shadows of the forest.