Blackbeard pirate relics, gold found
From National Geographic News
This mortar and pestle, found in an underwater wreck thought to be Blackbeard's ship Queen Anne's Revenge, probably was used to crush medicine or spices, archaeologists said in March 2009.
What appear to be ornate designs on the mortar are actually minerals that hardened on the objects, which were discovered off the coast of North Carolina.
North Carolina state archaeologists have already used an electrolysis method to remove the mineral buildup from the pestle, hence its more uniform finish.
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