Glossy single black Ilvaite crystal with typical chisel-shaped termination. Complete all around.

Large single crystal, glassy and transparent. Weighs 4.25 grams.

Colorful and interesting Tourmaline crystal from the lesser known Poa Alta Mine. The lower is red and then the crystal alternates between various shades of greens and reds, then ends with a very thin purple pink termination. Complete all around and undamaged and has a natural indentation from another crystal on the lower backside. Weighs 6.37 grams.

Glossy single black Ilvaite crystal with typical chisel-shaped termination. Wonderful curving crystal faces give it style and uniqueness. Large impressive crystal that is wider than it is tall. Complete all around.

Terminated single Tremolite crystal with bright, vivid green coloration. Translucent to transparent, complete all around, with flat, glassy termination faces. Most are mere shards or fragments and complete terminated crystals such as this are are much less common. Like a number of other mineral species from Merelani, these Tremolites are considered the world's best of species.

Thick crystal groups of irridecent Covellite. Can be displayed equally well from a number of directions.

Cut and polished slice of Liddicoatite (a species of Tourmaline) from old finds in Madagascar. Cut parallel to the C-axis, the slice reveals the colorful interior of what would have appeared to otherwise be a dark crystal. Dark rind that shows areas of blue followed by a hot pink zone, and a orange/yellow transparent central zone. Well polished on both sides, weighs 23.66 grams.

V-twin crystal of color change Diaspore. From new finds in the mountains near Milas, these new Diaspore crystals are spectacular in color and form. Glassy, flat termination faces on both 'arms'. There is a small notch on the left side where another crystal grew, and a very slight edge cleave on the lower left, otherwise complete and undamaged. Gem quality and transparent inside. Medium purple color in natural sunlight. Ex. Jon Sigerman.