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Rock tumbling is a great hobby for children and adults alike. Opening the tumbler when the cycle is completed is almost like discovering treasure; you don’t know what you’ll get or how colorful the ...

Don Gerig’s daughter was five years old when she began picking up “pretty rocks” in the gravel driveway of their home in Canby, Oregon. The cardiac physiologist and father of two was happy to take her ...

Do your kids love to collect rocks, but you’re not ever really not sure what to do with them all? These miscellaneous stones ...