sharing our knowledge.
Photographic gallery.  Thousands of particles under the microscope.

Vial 1, Waipio Beach, Hawaii (Big Island), Hawaii

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Vial 2, Fay Canyon, Sedona, Arizona

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Vial 3, Pinnacles State Park, Washington

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Vial 4, Skull Rock Trail, Joshua Tree, California

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Vial 5, Santa Fe, New Mexico Arroyo Black Sand

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Vial 6, Hilton Head, South Carolina Ocean Beach Sand

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Vial 7, North Jetty, Ocean Shores, WA, Ocean Beach Sand

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Vial 8, Cancun, Mexico, Ocean Beach Sand

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Vial 9, Beach at Makauwahi Cave, Kauai, Hawaii

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Magnetite Crystals

Magnetite Crystal, Beach at Makauwahi Cave,Kauai Magnetite Crystal, Beach at Makauwahi Cave,Kauai Magnetite Crystal, Beach at Makauwahi Cave,Kauai

Volcanic Glass (obsidian)

Volcanic Glass, Beach at Makauwahi Cave,Kauai Volcanic Glass, Beach at Makauwahi Cave,Kauai

Olivine

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Calcite Crystal from Limestone

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Vial 10, Tallinn Bay Beach Sand, Tallinn, Estonia

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Tallinn, Estonia Beach Sand Minerals with Density Greater than 2.8 g/cc

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Tallinn Zircons

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Tallinn Opaques

Tallinn, Estonia Beach Sand Tallinn, Estonia Beach Sand