Minerva No. 1 mine, Hardin Co., Illinois, USA - Colorless spiky crystals of calcite measuring to 2.5 cm in height coming off this matrix. Some of the crystals show cleaving. Overall size is 10.5 x 10.0 x 5.0 cm.

Magnet Cove, Hot Spring Co., Arkansas, USA - Bright brookite crystals show up on this specimen. The quartz crystal hosts a lot of bright metallic millimetric brookite crystals and the two main crystals are 0.8 cm on the edge ! Real showy specimen of 3.2x3x2 cm in size

Thomas Range, Juab County, Utah, USA - Very nice bright bixbyite crystal of 0.5 cm on the edge shows on riolite matrix. The crystal is pristine and shows no damage ! Showy rock of 5x2.7x2.3 cm in size. Ex Arkane Collection, original label.

Maynard's Claim,  Thomas Range,  Juab County, Utah, USA - Several bright metallic black bibyite crystals are mixed with a number of topaz crystals ! the bixbyite are up to 1 cm wide and the topazes are up to 1-1.3 cm in size. Nice and classic specimen of 3.2x2.5zx2 cm

Maynard's Claim,  Thomas Range,  Juab County, Utah, USA - A nice sharp, lustrous clo to 1 cm black Bixbyite crystal sits on rhyolite matrix in this aesthetic Thomas Range piece. A good specimen of this rare species.  Overall size is 6x5.5x2.5 cm

Juab Co., Utah, USA - A super thumbnail ! On a small piece of matrix there is a perfectly terminated undamaged bixbyite crystal 0.7 cm onthe edge ! Super crystal. Overall size is 1x1x0.7 cm. Mounted in a perky box. Weight is 5 gr.

SAN BENITO GEM MINE, SAN BENITO CO., CA, USA - This specimen hosts both the typical minerals from this locality. There is a terminated blue crystal of benitoite of 1 cm on the edge, well exposed on the riolite rock and some other partial benitoites. A couple of neptunite show on the back of the rock. Overall size is 3x2.5x2.5 cm.

SAN BENITO GEM MINE, CA, USA - Very nice specimen with a benitoite crystal of 1.2 cm, nicely terminated. This rocks shows also some other large partial crystals of benitoites and also some 1 cm neptunites ! overall size is 2.5x2x2 cm.

SAN BENITO GEM MINE, SAN BENITO CO., CA, USA - Quite large though not perfect benitoite crystal. The crystal is 1.1 cm in size on the edge and shows a nice blue color though it shows a damage on the top. Nevertheless a large crystal ! Overall size is 3x3x2 cm.