Invaluable Cave Full of (Worthless) Jewels

Timm in Jewel Cave

Jewel Cave is so-named because many of its walls are covered with calcite jewels.  Although these jewels are an invaluable national treasure, they are actually quite worthless on the open market, since calcite is one of the most common substances in the world and is the main component of shells.  To see more beautiful jewels, please check out our Jewel Cave photo tour.

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