Razor sharp, lustrous, and transparent Spahlerite crystals to 1.8 cm pn Quartz matrix. The crystals are brown and green in color and of top quality, 5.5 x 5.5 x 2.5 cm.

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.

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.

Fine gem Tanzanite crystal with good transparency from top to bottom. Complete all around and undamaged, 2.2 x 1 x 0.8 cm.

Fine gem Tanzanite crystal with good transparency from top to bottom. Complete all around and undamaged, very good crystal, 2.5 x 1.5 x 1.5 cm.

Good sized gem Tanzanite crystal with good transparency. Complete all around, fine gem crystal, 3.5 x 1.8 x 1.8 cm.

Large cubic crystals, ex. John Barlow collection #3561 (Acanthite specimens #3562 and 3563 are described in his book), 2 x 1.8 x 1.3 cm.

Unusual Adamite with long individual crystals to 1.5 cm, 6.5 x 5 x 2 cm. Not your typical Adamite - rather than hemispherical masses, this one has jackstraw arrangement of long crystals. A good one for a Mapimi collector.

Rare large, clear Grossular garnets to 1 cm wide. Slightly yellow at the transparent corners, 1.7 x 1.5 x 1.2 cm. These white/clear crystals were always rare and now even more so since the mine is closed.