Monteponi mine, Iglesias, Carbonia-Iglesias Province, Sardinia, Italy - A classic from this mine ! The specimen of galena hosts several phosgenite crystals grouped forming a cluster ! The crystals are up to 2 cm in size ! They show the classic yellow fluorescence under UV light. Great specimen ! Overall size is 7x7x5.5 cm. Weight is 595 gr

Brilliant sharp striated cubic crystals of pyrite to 1.8 cm on edge across the top of this lustrous black sphalerite crystal matrix with quartz. The sphalerite crystals measure to 1.2 cm in size. This is in very good condition with only minimal micro-chipping to some of the quartz crystals at the far lower right side of the piece. Overall size is 6.0 x 5.0 x 2.0 cm. Ex D. Weinrich collection.

Brumado, Bahia, Brazil - Very nice, bright uvite crystals on magnesite crystalline matrix. The uvite have a nice deep green color and show greatly on the magnesite cluster. The main uvite is 2.5 cm wide ! A very nice brazilian specimen. Overall size is 4x3.5x3.3 cm.Weight is 36 gr