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Why Oregon Sunstones Sparkle: The Science and Geology Revealed
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Three Precious Gems: Rubies, Emeralds, Sapphires
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Sunstones in Oregon! Finding Precious Gemstones Rockhounding in the Oregon Desert #thefinders
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Gorgeous Gemstones! Faceting Oregon Sunstones from our Trip to the Spectrum Mine!
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Gem Crystal Pegmatite Pocket Formation and Survival
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Mineral Talks LIVE - Episode 75 - Dr. Gabriela Farfan; Curatrix, Smithsonian Museum, Wash. D.C., USA
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