Fluorite is the only mineral for which significant quantities of the important element fluorine can be obtained. Fluorite is also used as a flux in the manufacture of steel and other metals to eliminate impurities.There is a great demand for Fluorite in the optics field, and to meet it synthetic crystals are grown to produce special lenses.
The Crystal Circle sells fine worldwide mineral specimens, gems, meteorites, tektites, and madagascar vanilla beans at reasonable prices. Family owned and operated since 1997. New Minerals are updated regularly. We pay cash for mineral collections.
The Denver Show 2018 Best Offer Mineral Auctions. Each auction specimen will be presented with it's Original Retail Price and Suggested Reserve Price Level. Please feel free to place a bid at this level or make your own offer above or below the reserve.
#75692, Fluorite (zoned crystals), Middle Mountain, New Hampshire (c) $150 #73389, Fluorite and Quartz over Ferberite, Yaogangxian Mine, China (c) $225 #72639, Fluorite, William Wise Mine, New Hampshire (c) $42 #75086, Fluorite with phantom growth zoning, Xianghuapu Mine, Xianghualing, China (m) $150 #73692, Fluorite with Chalcopyrite inclusions, Seata Mine, Aysgarth, England (c) $195
This auction is open for bidding from Jan. 11, 2019 800.00 AM The auction for these specimens close 10 minutes after the time indicated below ~or~ 10 minutes after the last bid is received.
Fluorite. Fluorite is a mineral with a veritable bouquet of brilliant colors that include purple, blue, green, yellow, colorless, brown, pink, black and reddish orange. Fluorite certainly deserves the title "The Most Colorful Mineral in the World". Most specimens of fluorite have a single color, but a significant percentage of fluorites have multiple colors and the colors are arranged in bands
Most Fluorite gemstones are from deeply colored stones, but they can also be cut from the less intense color forms. The most popular color for Fluorite is purple, and deep purple Fluorite can closely resemble Amethyst.Fluorite is often brightly fluorescent in ultraviolet light.In fact, the term fluorescence is derived from Fluorite. Due to the very low hardness and perfect cleavage of Fluorite
Mineral specimens of calcite from classic mineral occurrences worldwide. Thumbnail mineral previews linked to high quality photographs & description. New minerals are added every week. All
Mineral Auctions, Fine Gemstones and Minerals for Auction. Crystals and Gemstones for online auction, featuring fine mineral specimens from The Arkenstone and Gemstones from Mineral Classics. Weekly Mineral Auctions on line.
An extremely fine and significant miniature from Tsumeb. On this specimen, malachite forms a base for balanced and stacked azurites of blocky habit to 2 cm, and this specimen is semitransparent with varying shades of electric blue.