Highly transparent Fluorite crystals with well saturated, deep purple color. It's a deep, slightly blue purple and so transparent that light readily passes through despite the deep color. Very clean with only a couple small chips. Out of an old collection, the old Burrminco label lists the locality as Rio Bravo.

11 Diamond crystals from the Congo. Most are cubes up to 4mm on edge. Total weight for the set is 4.8 carats.

19 Diamond crystals from South Africa. A good mixture of different shapes, up to 3mm on edge (a couple are about 3.5mm). Small crystals but excellent luster, transparency, and colorful with some yellows and a blue. Total weight for the set is 1.5 carats. Note only 18 appear in the photo - a small clear triangular crystal was stuck to the lid of the case and missed out on the photo.

Octahedral Diamond crystal from South Africa. Glassy and transparent, especially under lighting. Diamond weight is 1.10 carats.

Single colorless Topaz crystal from Idaho. Complete all around and undamaged with a bit of attached Albite. Neat locality piece.

Cluster of glassy Tsavorite crystals with attached white Calcite or Apatite crystals and Pyrite. Attractive association.

Small but fine quality Tsavorite crystal. Glassy and transparent with a distinct faden line running up the center. Complete and undamaged.

High quality deep green Tsavorite crystal on Graphite crystals. The main Tsavorite is 6mm, totally transparent and undamaged, a little jewel of a crystal. A number of other Tsavorite crystals are present and mixed among the Graphite crystals.

Black opal that has completely replaced a section of fossil Bamboo from recent finds in Java. It has a bright play of color (reds, blues, and greens) in areas.

Black opal that has completely replaced a section of fossil Bamboo from recent finds in Java. It has a bright play of color (reds, blues, and greens) in areas.

Glossy black Ilvaite crystal with an undamaged, chisel-tipped termination. Complete all around.