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The Complete Handbook for Gemstone Weight Estimation

por: Charles I. Carmona

Reference for those in the jewelry trade who need to estimate weights of gemstones set in jewelry. In

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Minerals & Gemstones: A Large-Format Visual Guide to Identifying Minerals and Gemstones, and to the Treatments the Trade Does Not Always Disclose (A Visual Compendium)

por: Evan Hartley

A large-format visual reference to minerals and gemstones, built from primary sources.Ninety-one entr

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The Firefly Guide to Minerals, Rocks and Gems

por: Rupert Hochleitner

Step-by-step Questions and Answers with detailed color photographs for easy identification. The Fire

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The Awakened Stone: Raw Origins and Polished Powers - the Science behind the Magic

por: Carl SThomson

The Awakened Stone" invites readers on a transformative journey where the realms of science and magic

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Montana Rockhounding & Gem Hunting Guide 2026–2027 (FULL-COLOR): Top Gemstone Sites, GPS Coordinates, and Collecting Garnets, Sapphires, Agates, Crystals, Petrified Wood, and Rare Minerals

por: Rufus Wildemere

Explore Montana’s Geological Treasures and Turn Your Next Outdoor Adventure Into a Search for Remarka

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