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 AGT-10 Chalcedony Quartz replacing Anhydrite $125.00Near New River, AZ3 ½” x 3 ½” x 1/8” Rare polished slice of Chalcedony pseudo after Anhydrite. Ref. see Mineralogical Record Vol.26#5 World Wide Mineral Discoveries of 1993/1994. Polished and Field Collected by Al Rose. |