Bixbyite - Topaz Mountain, USA - 8.7 x 6.6 x 4.5 cm

Mineral: Bixbyite
Locality: Topaz Mountain, Thomas Range, Juab County, Utah, USA
Dimensions: 8.7 x 6.6 x 4.5 cm

Description: Several lustrous black bixbyite crystals to 0.6 cm on a contrasting light-colored rhyolite matrix.