Bipedal dino track

Footprints in the Sands of Time Are Disappearing

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Kid with geode

On the Rocks: Ways to Grow the Hobby

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Mayan pyramid structure

Water Purification, Mayan Style

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Biggs jasper

A Life Transformed by Picture Rocks

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Bismuth

Rock Science: Bismuth — Iridescence and More

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Trilobite of Week logo

Trilobite of the Week: CRYPTOLITHUS ulrichi

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Hpakan Jade Tract open-pit operation

Examining the Burmese Jade Industry (Part II)

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Burmese jadeite ceremonial incense burner

Examining the Burmese Jade Industry (Part I)

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La Soufrière volcano

A Big Bang in the New World

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Kingsley North Rock Tumbling Equipment and Material

Tumbling Talk: Maximizing Results for Kids’ Projects and Prizes

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