Tanzanite

Merelani Hills, Tanzania

Glassy and lustrous gem Tanzanite crystal that is very gemmy from top to bottom. Complete and undamaged, highly gemmy, overall excellent quality. The clarity and intense blue color on this one is exceptional. Natural, unheated gem Tanzanite crystal, 3 x 1.4 x 1.2 cm.

Merelani Hills, Tanzania

Glassy and lustrous gem Tanzanite crystal that is very gemmy from top to bottom. Complete and undamaged, highly gemmy, overall excellent quality. Natural, unheated gem Tanzanite crystal. 13.2 carats in weight, 2.6 x 0.7 x 0.6 cm.

Merelani Hills, Tanzania

Unusual gem Tanzanite crystal with a central blue stripe with green on either side when viewed from the front and a rich purple when viewed fromt eh side. Complete and undamaged, overall excellent quality and good sized. Natural, unheated gem Tanzanite crystal. 9.92 carats in weight, 2 x 0.9 x 0.5 cm.

Merelani Hills, Tanzania

Glassy and lustrous gem Tanzanite crystal with purple blue color. Overall excellent quality and good sized. Natural, unheated gem Tanzanite crystal. 50 carats in weight, 3.5 x 2.7 x 0.9 cm.

Karo Pit, near Block D, Merelani Hills, Tanzania

Glassy and lustrous gem Tanzanite crystal that is very gemmy at the tip. Sort of a double crystal when viewed from the side witht he back crystal serving as a pedestal to display the front crystal. A more blue color when viewed from the front and a more purple when viewed from the side. There is light chipping on one edge and a small part of a step termination on the back "pedestal" crystal, though overall excellent quality and good sized. Natural, unheated gem Tanzanite crystal. 61 carats in weight, 3.7 x 1.5 x 1.5 cm.

Karo Pit, near Block D, Merelani Hills, Tanzania

Intergrown, diverging Tanzanite crystals. The crystals themselves are perfect, both gemmy with great luster and undamaged. The formation is spectacular in aesthetics and, I am told, in rarity, with only a dozen or so of this type known and the only other one like this I have seen was repaired down the middle. Blue from the front and purple when viewed from the sides. Natural, unheated gem Tanzanite crystal. 51 carats in weight, 4.4 x 3 x 1.2 cm.

Karo Pit, near Block D, Merelani Hills, Tanzania

Simply a great single crystal with sharp edges, good luster, and a high degree of gemminess. Very slight, tiny chipping along the termination, otherwise complete and undamaged. Bue from the front and purple when viewed from the side. Natural, unheated gem Tanzanite crystal. 37 carats in weight, 3.4 x 1.4 x 0.8 cm.

Karo Pit, near Block D, Merelani Hills, Tanzania

Nearly flawless single crystal, it almost looks like a faceted gem. Thee are some growth marks on a few areas of the surface that appear to be where Graphite contacted the crystal, but they are just on the very surface. Rarely are Tanzanite crystals so gemmy. Thick, blocky crystal blue down one face and purple when viewed on the side. Natural, unheated gem Tanzanite crystal. 16.5 carats in weight, 2.1 x 0.8 x 0.7 cm.

Merelani Hills, near Arusha, Tanzania

Complete terminated Tanzanite crystal with an attached cluster of Diopside crystals near the termination, plus a smaller Tanzanite and Diopside sticking onto the side near the base. Hard to find specimen, 2.1 x 1.5 x 1 cm.