Description
GEODES ARE ESSENTIALLY ROCK CAVITIES OR VUGS WITH INTERNAL CRYSTALFORAMTIONS OR CONCENTRIC BANDING.
THIS SPECIMEN WAS MINED IN BRAZIL AND HAS BEEN SLICED BUT NOT POLISHED.
SOME IMAGE TAKEN WET
ONE SIDE GEODE AS PER IMAGES
SIZE 72 X65 X30 MM
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 THROUGH.
THESE TYPES OF GEODES ARE CALLED NODULES
. THIS SPECIMEN SHOWS GREAT FORMATIONS
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