Barite - Book Cliffs area, USA - 4.2 x 6.0 cm
Mineral: Barite
Locality: Book Cliffs area, Grand Junction, Mesa County, Colorado, USA
Dimensions: 4.2 x 6.0 cm

Description: Glassy colorless barite crystals in parallel growth, the upper half being transparent and lower half showing milky phantoms, on a small amount of tan sandstone matrix.