- Rosasite, Smithsonite
- Mystery Mine (Mystery Tunnel Mine; Minerals Exploration Co. property), Gleeson, Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USA
- Miniature, 4.6 x 3.5 x 2.4 cm
Riveting turquoise-blue rosasite botryoids are aesthetically strewn across the very vuggy matrix covered with tiny, scintillating, smithsonite crystals on this excellent old-time piece from the less well-known Mystery Tunnel at Gleeson. The spherules reach 4 mm and are actually intergrown masses of rosasite crystals in radial form. Last ore production from this small mine was in 1942. Ex. Jaime Bird collection.