BIXBYITE, TOPAZ, Thomas Range, Juab County, Utah, 1.5 x 1.5 x 1.5 cm | |
Thumbnail specimen of a large lustrous black Bixbyite with associated Topaz. While the Bixbyite is undamaged the Topaz crystals are cleaved. The Bixbyite corners have the typical tris octahedral modifications. |