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.
Dugway Proving Ground (DPG) is a US Army facility established in 1942 to test biological and chemical weapons, located about 85 miles (140 km) southwest of Salt Lake City, Utah and 13 miles south of the 2,624 sq mi Utah Test and Training Range forming the largest overland special use airspace in the United States.