Gemstones Rough and Slab
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AfricaGemstones.com - Miner and exporter of ruby, sapphire, tourmaline, garnet and beryl rough from Africa.
A.G. Nisama Ltd. - African gemstone rough source for small lots of sapphire, diamond,tourmaline, amethyst, and zircon.
Brian Norton - Fine faceting rough from Africa. Tourmaline, aquamarine, sapphire, spinel, and garnet.
ColorWright - Comprehensive cabbing and slab rough inventory index. Numerous inked sites offer rare turquoise rough, finished cabs, facet rough and lapidary machinery.
Facet and Rough Gemstones - Wide selection of faceting and cabbing rough, specimen crystals, loose natural gemstones and cabochons.
Gems and Rough - Facet and cabbing rough in several grades. Some lapidary and faceting machinery.
Godber Burnham Mine - Collectible turquoise nuggets direct from the Austin, Nevada mine. History, gold and silver wire-wrapped jewelry.
Harwood Gems - Mariposa. black feather plume agate, imperial and ocean jasper rough. Cabochons available.
Jackson's Gems - Facet rough, opal rough, faceting and other lapidary machines.
John E. Garsow - Fine faceting and cabbing rough in small parcels. Some jewelry.
Kayzee Gems Ltd. - Nigerian dealer featuring facet and cabochon gemstone rough, some cut precious and semi-precious stones.
Madagascar Minerals - Miner and supplier of Madegascar rough material, cut stones, and finished stone goods.
New Era Gems - Extensive facet rough sold individually and in parcels. Features tanzanite, tourmaline,garnets all with origin details. Interesting mineral specimens, carving, some cab rough.
Ritchard's Gems - Star sapphire, amethyst, oro verde, citrine rough and some faceted stones. Quaint Arkansas diamond-hunting story.
Soklich Trading Company - Western Australia miner and supplier of Black Jade (Nephrite) rough.
TMS Gems - Fine facet rough to the hobbyist as well as to the trade.
The Trade Roots Collection - Wide range of rough gemstone materials including Mediterranean coral, turquoise, shell, labradorite, and Chiapas amber. Help build the largest human-edited directory on the web.