20+ lbs KY geodes- agate, fossils, chert, crystals-NR

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FROM A SHALLOW SEA THAT COVERED KENTUCKY OVER 65 MILLION YEARS AGO..THE MISSISSIPIAN ERA. HARVESTED FROM THE CUMBERLAND RIVER VALLEY IN SOUTHEASTERN KENTUCKY, THIS BOX UP FOR AUCTION HAS OVER 20 POUNDS OF MOSTLY UNOPENED GEODES! ...OUR GEODES HAVE MANY THINGS THAT COULD BE INSIDE, FROM COLORFUL BANDING AND CRYSTALS TO FOSSILS. DO YOU LIKE TREASURE HUNTING? HAVE FUN! - shipping $9.50 within the U.S. - SEE OUR OTHER AUCTIONS AND FEEDBACK! OF INTEREST: Geodes ( Greek geoides , "earthlike") are geological rock formations which occur in sedimentary and certain volcanic rocks. Geodes are essentially rock cavities or vugs with internal crystal formations or concentric banding. The exterior of the most common geodes is generally limestone or a related rock, while the interior contains quartz crystals and/or chalcedony deposits. Other geodes are completely filled with crystal, being solid all the way though. These types of geodes are called nodules . Geodes can form in any cavity that is buried. These can be gas bubbles in igneous rocks , pockets under tree roots, vesicles in lava after a volcanic eruption, or even animal burrows. Over time, the external wall of the cavity hardens, and dissolved silicates and/or carbonates are deposited on the inside surface. Over time, this slow feed of mineral constituents from groundwater or hydrothermal read more

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