Cinnabar, Brewster County, Texas
Cinnabar, a Mercury Sulfide
Locality: Terlingua District, Chisos Mountains, Brewster County, Texas
Chemical Formula: HgS
Crystal System: Trigonal, but typically found in a massive, granular or earthy form and bright scarlet to brick-red in color.
Specimen size: 4.75 in x 4 in x 2 in
Specimen weight: 580 grams
Additional Information: Today Brewster County has a population of less than 10,000, but from the turn of the 20th century through World War II, the Terlingua Mining District was a boom town due to the extraction of cinnabar in the Chisos Mountains.