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  Notable Collecting Areas | Sunstone

  Oregon Sunstone: The Unique Gem of the High Desert

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  Rocks and Minerals | Sunstone

  Sunstone Crystal aka Aventurine Feldspar: Properties and Global Varieties

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  Jasper

  Understanding Jasper: Formation, Composition, and Identification

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  Agate | Rocks and Minerals

  Understanding Agate: Formation, Composition, and Identification

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  Agate

  Agate Varieties by Colors, Optical Effects, and Patterns

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  Geological Wonders | Petrified Wood | Rocks and Minerals

  Understanding Petrified Wood: Everything You Need to Know

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  Identification Guide | Rocks and Minerals

  Mineral Identification Guide – Basic Home Tests

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  Identification Guide | Rocks and Minerals

  Fluorescence: The Luminous World of Fluorescent Minerals

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  Jadeite | Rocks and Minerals

  Jadeite: The Rare Gem of Beauty and Cultural Significance

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  Nephrite Jade | Rocks and Minerals

  Nephrite Jade: A Guide to Its Formation, Value, and Cultural Significance

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  Agate | Jasper | Opal | Thunderegg

  Thundereggs – Rough Rocks with Crystal Surprised Interiors

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  Notable Collecting Areas | Thunderegg

  Where to Find Thundereggs? – Northwest United States Locations