Stunning single crystal of Magnesioaxinite (Axinite-Mg) from Tanzania. These are found as a biproduct of mining for Tanzanite and are only seldom found. This is a good one, with glassy luster, transparency, and nice pink and orange coloration. It's nearly pristine, with just one edge chip, much better than the vast majority. There is also a tiny Calcite crystal and Pyrite near the tip.

Stunning single crystal of Magnesioaxinite (Axinite-Mg) from Tanzania. These are found as a biproduct of mining for Tanzanite and are only seldom found. This is a good one, with glassy luster, transparency, and nice purple coloration. This is the most complete Magnesioaxinite crystal I've ever seen, with crystal faces along the entire outer surface edges. There is minor edge chipping, but it's still a great one.

Stunning single crystal of Magnesioaxinite (Axinite-Mg) from Tanzania. These are found as a biproduct of mining for Tanzanite and are only seldom found. This is a good one, with glassy luster, transparency, and nice purple and blue coloration. It's much thicker and robust than most. Complte all around with minor edge chipping, much better than the vast majority.

Beautiful fancy colored, thumbnail-sized Tanzanite crystal with excellent pink coloration in one direction, and a golden yellow when viewed in the other direction. A complete crystal with glassy luster and in pristine condition without a single edge chip. Good transparency.

Complete orange Spessartine crystal from recent production (yes, there is small scale mining ongoing at this locality). A complete crystal with very minor edge chipping and one contacted area on the bottom where it grew against another crystal. Has a second small crystal intergrown and has areas of gem transparency.

Glassy green Diopside crystal from the Merelani Tanzanite mines. Complete all around and undamaged with a V-formation down the centers of the termination faces caused by twinning.

Beautiful sea-green Tourmaline (likely a Vanadian or Chromian Dravite) from Merelani. Tourmaline is not described from this locality in literature, but this is the second time I've had one from here, and this one looks just like the previous. Perfect all around without damage, flaring out near the termination. Translucent, rare crystal.

Cluster of deep red Ruby crystals in matrix from Longido. A 1.7cm wide hexagonal crystal presents on top.

Stunning etched gem Tanzanite crystal. A seldom seen fully etched crystal of deep blue Tanzanite. The surface is perfect without a chip anywhere and it's internally transparent. Super cool, natural unheated crystal. Weighs 108.15 carats.