| http://www.w3.org/ns/prov#value | - Twenty-two other states have state minerals - whether they be gold, silver or even talc - but Pennsylvania would be the only state to adopt celestite as our state mineral.Celestite, a type of sedimentary rock that is not found commonly around the world, is a white, pale green to pale blue mineral and its names stems from the Latin word for "sky.Among those offering testimony today was Royce Black
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