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 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.

Thumbnail group of well formed crystals with irridescent purple/blue patina. A floater, crystallized and complete all around, 2.3 x 1.5 x 1.5 cm.