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Our Gemstone Encyclopedia has information on over 300 gemstones, from traditional and popular jewelry standards to collector's stones that rarely appear for sale. Each entry has photos and detailed information about the gem's properties. Entries for jewelry stones also have price guidelines and discussions of their most important value factors.

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Oct 17, 2007· The most affordable and highest quality gemstones. Gemstone processing in Chanthaburi is largely a cottage industry. Though there are a few large companies, most of the work is done by smaller family-owned businesses. Their expertise is in grading, cutting and polishing gemstones, not in marketing their product to the world.

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Sri Lanka Gems - EDB Sri Lanka

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