Calcite Crystals| Short Takes with Naturalist Rudy Mancke

Kaltura

Naturalist Rudy Mancke examines a whelk shell which became trapped in a reef and has recrystallized. 

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Short Takes with Naturalist Rudy Mancke

Calcite Crystals| Short Takes with Naturalist Rudy Mancke Shells

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Shells
Naturalist Rudy Mancke explores the many different kinds of shells.
Calcite Crystals| Short Takes with Naturalist Rudy Mancke Sponge

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Grades

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Sponge
Naturalist Rudy Mancke explains the sponge animal.