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sdttds: Yellow and Red Brecciated Jasp-Agate
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sdttds: Red Brecciated jasper
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sdttds: Desert rose (Sahara rose, sand rose)
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sdttds: Desert rose (Sahara rose) front
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sdttds: Desert rose (Sahara rose) back
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sdttds: Scallop clam fossil
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sdttds: Clam fossils
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sdttds: Crinoid stem casts?
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sdttds: Fern fossil in slate
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sdttds: Fern fossil in slate detail 1
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sdttds: Fern fossil in slate detail 2
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sdttds: Fern fossil in slate detail 3
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sdttds: Urchin fossil-to-be or kelp holdfast?
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sdttds: Botryoidal chalcedony
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sdttds: Botryoidal chalcedony zoom
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sdttds: Pet coral w/ botryoidal chalcedony
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sdttds: Pet coral w/ botryoidal chalcedony detail 1
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sdttds: Pet coral w/ botryoidal chalcedony detail 2
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sdttds: Pet coral w/ botryoidal chalcedony detail 3
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sdttds: Dugway geode half (unpolished)
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sdttds: Dugway geode zoom 1
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sdttds: Dugway geode zoom 3
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sdttds: Botryoidal jade
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sdttds: Clam "tafoni"
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sdttds: Lake Berryessa jasper
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sdttds: Orbicular jasper with hematite
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sdttds: Orbicular jasper detail
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sdttds: Lake Berryessa jasper #2
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sdttds: Lake Berryessa jasper #2 detail
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sdttds: Agatized wood (limbcast)