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.
The reservoir is mainly in southwest Wyoming and partially in northeastern Utah. The northern tip of the reservoir is just 10 miles (16 km) southeast of Green River, Wyoming, 14 mi (23 km) southwest of Rock Springs, Wyoming, and 43 miles (69 km) north of Vernal, Utah. The lake straddles the Utah-Wyoming border.