From the collection of Dave Daniel, a long time client of Colorado Gem and Mineral Co, comes for sal..
Extremely rare, doubly-terminated crystals of Amethyst and Smoky Quartz, showing reverse scepter gro..
From Korea, this rare scepter combines an Amethyst head on a Smoky Quartz shaft. Classic scepter sh..
Quartz Scepter with colorless shaft and Smoky Quartz head. Difficult to find in this size and color..
Beautiful Amethyst cluster in excellent condition, from premier locality. Very aesthetic...
Pale, prismatic Amethyst crystals set aesthetically atop a matrix of sulfides. 360 degrees display a..
Brilliant Quartz crystal with excellent form, and smaller crystal near base.
Exceptional duo of brilliant Quartz crystals in dramatic composition, from premier Quartz locality. ..
From the Himalayas at 14,000 feet comes this flawless, terminated Quartz crystal that has been natur..
Plate of Quartz crystals exhibiting the Japan Twin Law, with other prismatic Quartz crystals. Matr..
Well-formed Ferberite crystal with crown of Quartz crystals. Very aesthetic.
Two brilliant Quartz crystals nicely perched on contrasting Hematite matrix.
From mine-owner Foster Hallman in the 90s at Tucson. Dark, opaque smoky "stem" hosting a semi-transp..
Very rare specimen of a Quartz crystal cloaked in crystallized Pyrite with only a portion of the th..
Very aesthetic, 5 sharp clear-to-translucent quartz xls w/ some light hematite staining, contrasted..
An incredible Amethyst specimen, purchased by Jack Lowell in 1973, on his first trip to Brazil, from..
Two Smoky Quartz crystals partially covered with tangerine-colored Spessartite Garnets. A perfect s..
Museum caliber specimen of Smoky Quartz from a pegmatite, showing "crocodile growth" on all sides. ..
Schorls and Smoky Quartz together in geometric array, one of the finest we've ever seen. Geometric s..