Beautiful RARE Polyhedral Agate, 4.15 OZ

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Up for auction is a beautiful, 4.15 oz Polyhedral Agate from Minas Gerais, Brazil. This is a very rare form of agate known as a polyhedral agate and is formed by silica replacing the space that was once occupied by a calcite crystal. These agates are highly collectible and this specimen would make a fine addition to any collection.Posted with eBay for iPad