Locality: Georgetown, Texas, U.S.A. Description: Georgetown Flint has adopted its name due to an unusually good variety that occurs within Edwards Plateau, found distinctly throughout it's eastern fringe. In the early 1970s The “discovery” of a massive, newly exposed source of this world-class material came out of the Texas Crushed Stone Quarry south of Georgetown, Texas. Georgetown Flint quickly became extremely popular amongst the flintknapping community at the time. Chemical Composition: SiO2 Grade: Lapidary GradeAppearance: OpaqueInclusions: Other than the rind, Georgetown flint is almost inclusion free. there is almost never cracks in it. Cost per Gram: $0.08Approximate Size of 1 pc: 12.5cm x 10cm x 5.5cm Approximate Weight of 1 pc: 1kg Rough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.