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Fluorite - Victory mine, Cave-in-Rock, Illinois-Kentucky Fluorspar District, Hardin County, Illinois, USA Size: 4.5 cm

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OH THE PLACES YOU'LL GO: The Secret Sandstone Caves of New Mexico talesofatelecommuter.blogspot.com

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from dailyoddsandends

The Giant Crystal Cave in Mexico under Naica Mountain.

Crystal Cave Mexico share on facebook | The Giant Crystal Cave in Mexico under Naica Mountain.

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The Largest Cave In The World
from TheMetaPicture.com

The Largest Cave In The World

Largest cave in the world. It's so incredible that I don't know which board to pin it to. Regardless is it's beautiful photography, or amazing history, relevant news that I care about or a scientific marvel, the one thing that I know for sure is that it's

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