Collecting Fluorescent Minerals - The Basics, Where to Find Them, and How to Collect Them
Rock collecting is a pretty easy hobby to get into - buy a hammer, find a pile of rocks, and you're rock collecting.
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Bright blue turquoise from Nevada. Nevada is a turquoise mining mecca. Specimen appears to have been roughly polished to surface more of the turquoise.
Ex. Joe Daley Collection