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.
It was Thursday, May 1st, five days after Aron Ralston had first entered Utah's Bluejohn Canyon on what should have been an eight-hour, 13-mile (21-kilometer) day hike. But on his way, while scrambling through a narrow section of the sandstone slot, Ralston dislodged an 800-pound (363-kilogram) chockstone that rolled on its pinch points and pinned his hand and forearm.