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Here is a vibrant specimen of cavansite on stilbite featuring globular crystal clusters to 13 mm in ..
In 2009, Ruck's Pit was producing fabulous fossil clam specimens with an unusual twist: they had gol..
This is a 2.7 ounce (76 grams) piece of the Canyon Diablo meteorite, which is thought to be core mat..
The glossy crystals of aqua aura quartz on this fine specimen have gem clarity, brilliant luster, ex..
This flashy, lustrous gem clear quartz crystal is colored a rich tangerine orange color by hematite ..
Corundum comes in several colors. When it is red, it is called ruby, and when blue it is sapphire. S..
This specimen of Okaruso fluorite has sharp, gem-quality, transparent/translucent crystals in a rich..
The goldenrod yellow wulfenite crystals on this fine specimen show the rare bipyramidal habit for wh..
Bingham, New Mexico is the classic southwestern U.S. locality for blue fluorite, and this specimen f..
While the euhedral emeralds on this showy specimen are not up to Colombian standards, they are nicel..
The 5 interlocking cubic pyrite crystals on this specimen are nearly perfect, with sharp corners and..
Grape agate, which is actually chalcedony, is one of the most important discoveries to hit the miner..
This superb specimen of red-orange wulfenite comes from our recent acquisition of several specimens ..
This gemmy yellow fluorapatite crystal is large and complete on the exterior and is gemmy with a few..
This brilliant, gemmy, lustrous wulfenite crystal comes from the world-famous Red Cloud Mine in Ariz..
This is a superb thumbnail, an exceptional specimen of azurite from the now-closed, highly regarded ..
Barite specimens from Miraflores first appeared on the market around 2008, but stopped coming out ar..
Fluorite from the Jaimina mine is well known for it's gem clarity and lovely transparency, and this ..
Here is a sharp, gemmy smoky quartz crystal from Colorado's highly acclaimed Smoky Hawk claim. The s..
This is a tektite, which is cooled splash material that was thrown out by the impact of a meteorite ..
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