Coober Pedy Opal.com - Australian business offering rough and cut opals, along with jewellery and pendants. Keith Rigby Opals - Australian Lightning Ridge opal cutter and supplier of rough. Some finished opal jewelry. Opalos Corporation - Offers Mexican fire and Australian black opals as well as colored gemstones. Opal Hut - Yowah opal "nuts", cut opalized wood, and jewelry from a local miner and manufacturer. Extensive pictures of opal mining, archive of local Yowah opal jewelry contests. Opalmine by Brusacci - Opal rough, loose opals & opal jewelry. Limited chat forum. The Village Smithy Opals, Inc. - Supplies rough and finished opals purchased directly from miners in Australia. Opalholic - Offering rough and cut opal. Swordfish Mining - Miners and cutters of Virgin Valley, Nevada opal. Loose stones and rough. Unusual opalized tree limbs, pine cones, snake head. Extensive commentary on geology and opal treatments. Opals Down Under - Featuring rings and pendants as well as loose stones. Black Opal Mine - Offers information about the appearance and varieties of australian opals, along with online store. Aussie Treasure Chest - Lightning Ridge black opals and opal jewelry direct from the mines. Koroit Opals - Miner and supplier of Koroit boulder and matrix opal rough. Small lots available for purchase. Some cut Koroit opas. Desert Fire Opal - Coober Pedy miner and cutter offers only locally-mined opals and rough. Historical articles, photos, and the Coober Pedy Newspaper available. Down to Earth Opals Pty Ltd - Lightning Ridge mine-owner, finisher, and wholesaler of rough, cut, black and crystal opal. Carved opals and finished jewelry available. Extensive photos of mine. Black Opals Direct - Specialises in black, white, crystal Opal cabochons, rough and Jewelry from Lighting Ridge Australia, also features tutorials and blog. Unique Opals, Thomas Frei - Australian Opals specialist from Switzerland for cabochons and pendants with shopping cart, glossary and tutorial.