Tourmaline

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Shiny, black, oblong stone.

Galleries

Rocks

Source

Dana, James D. New Text-Book of Geology (New York: Ivison, Blakeman & Company, 1883) 24

Downloads

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2400×2202, 1.5 MiB

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1024×939, 193.2 KiB

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640×587, 94.7 KiB

Small GIF

320×293, 35.8 KiB