Japan Gemstones: A Refined Collection of Pearls, Coral, Jade, Quartz, Obsidian, and Elegant Natural Stones
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American Gemstone Treasures: A State-by-State Guide to USA Gemstones, Localities, and Collector Favorites
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Mozambique Gemstones: A Vibrant World of Ruby, Sapphire, Spinel, Tourmaline, and Rare Collector Stones
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Burmese Gemstones: A Rich Guide to Ruby, Spinel, Sapphire, Jade, Tourmaline, and Myanmar’s Most Famous Gems
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Zambian Gemstones and Their Brilliant Color Spectrum: From Emerald and Aquamarine to Spinel, Cat’s Eye, and Collector Favorites
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Brazilian Gemstones: A Complete Guide to Emerald, Paraíba Tourmaline, Imperial Topaz, Aquamarine, and Brazil’s Most Beautiful Natural Stones
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Madagascar Gemstones: A Rich World of Sapphire, Spinel, Tourmaline, Chrysoberyl, and Rare Collector Stones
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Tanzanian Gemstones: A Brilliant Guide to Tanzanite, Tsavorite, Spinel, Sapphire, and Rare Collector Stones
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Sri Lankan Gemstones: A Complete Guide to Ceylon Sapphires, Rubies, Spinel, Moonstone, and Rare Collector Stones
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Colombian Gemstones: Emeralds, Tourmalines, Quartz, and the Rich Mineral Beauty of Colombia
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Australian Gemstones: A Beautiful Guide to Opal, Sapphire, Quartz, Jasper, and Other Natural Treasures from Australia
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Gemstones by Fire: Red, Orange, Golden, and Fiery Natural Gems That Capture the Look of Flame
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Ocean Color Gemstones: Blue, Teal, Aqua, and Sea-Inspired Gems That Bring the Beauty of the Ocean Into Jewelry
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Earth Tone Gemstones: Warm Brown, Golden, Orange, Olive, and Amber Stones That Bring Natural Elegance to Jewelry and Collecting
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100 Famous Gemstones: A Complete Guide to the World’s Most Recognized Gems, Collector Favorites, and Rare Natural Stones
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20 Biggest Crystals Ever Found: Giant Natural Gemstones, Record Specimens, and the Most Impressive Crystal Discoveries on Earth
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Gemstone Brilliance Explained: Refractive Index, Fire, and the Stones That Sparkle the Most
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Gemstones by Growth Temperature: Low Heat, Medium Heat, and High Heat Gemstones Explained
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Gemstones by Halo Effect: Cat’s Eye, Asterism, Adularescence, Sheen, Opal Fire and Light Ring Phenomena
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Gemstones Through the Jewelry Ages: From Victorian Romance to Modern Luxury
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