.734 kilograms / 1pound 9.9oz  

 
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The Tiffany stone is a rare material. It is mined at only one location worldwide - the Brush Wellman beryllium mine, at Spor Mountain, western Utah. No longer available to mine more today. After 9/11 the government shut down this mine b/c there was beryllium in the mine. LIMITED SUPPLY OF TIFFANY STONE ON THE PLANET. With the mine closed these costs are only expected to rise. This is truly a collector's stone and is not found for regular sale.

Scarce and attractive, Utah Tiffany Stone is renowned among collectors and rock hounds for its unique appearance. Its brecciated look is primarily comprised of rich purples, blending with delicate lavender, creamy whites, and inky blacks. This matrix of colors comes together, forming interesting and surprising patterns within the stone. This material is primarily composed of purple fluorite. The stone's matrix typically includes bertrandite, chalcedony, and opal. The mix of the material varies from specimen to specimen, so no two samples can ever be expected to be the same! Bertrandite is of particular note, as this mineral is a source of beryllium. Utah Tiffany Stone is primarily mined for this beryllium, and only a small amount of rough makes it to lapidary use, increasing its rarity further. While the material has some translucent elements, it is primarily opaque. For this reason, it is shaped into cabochons. Occasionally, beads may also be formed as well. Ranking 6 to 7 on the Mohs scale, it is moderately resistant to scratching and abrasion. Lapidarists are especially fond of the stone, as it takes a polish well and produces exquisite results. When polished, the blend of minerals takes on a resinous, greasy, or waxy luster.

• Two apocryphal stories exist surrounding the name of this gem. Some sources have suggested that the cut slabs of material resemble glassware produced by Tiffany and Company. As a result, they began calling it Tiffany stone. This particular story has been refuted many times.

• Others have said the stone is named for a miner's daughter. The tale told explains that the unnamed miner would pick nodules of material to give to his daughter as gifts. Her name is sometimes given as Tiffany Harris. Unfortunately, pinning down the truth behind either story has proven difficult.

• Utah Tiffany Stone is sometimes known as ice cream opalite or purple opal due to its swirled, creamy appearance. It may also be called opalized fluorite or opal fluorite. Due to the popularity of this lapidary material, many dealers have been trying to capitalize on its fame. The original material will be identified as originating from the Brush-Wellman mine, and should have the signature blend of colors. Reputable dealers should have no trouble disclosing the origin of material that they sell.

• Additionally, some sources may identify this rock as bertrandite or beryllium ore. Obviously, this is regarding the beryllium content of the stone.