Sherrer Quarry, C.K. Williams Quarry complex, Chestnut Hill, Easton, Northampton County, Pennsylvania, USA | ⓘ Amphibole Supergroup, ⓘ Anthophyllite, ⓘ Augite, ⓘ Autunite, ⓘ Azurite, ⓘ Baryte, ⓘ Biotite, ⓘ Brucite, ⓘ Calcite, ⓘ Celestine, ⓘ Chalcocite, ⓘ Chalcopyrite, ⓘ Chlorite Group, ⓘ Chrysocolla, ⓘ Cuprite, ⓘ Diopside, ⓘ Dolomite, ⓘ Ferro-actinolite-Tremolite Series, ⓘ Fluorapatite, ⓘ Fluorite, ⓘ Galena, ⓘ Graphite, ⓘ Gypsum, ⓘ Hematite, ⓘ Hydromagnesite, ⓘ Ilmenite, ⓘ Jade, ⓘ Limonite, ⓘ Magnesite, ⓘ Malachite, ⓘ Marcasite, ⓘ Molybdenite, ⓘ Muscovite, ⓘ Nephrite, ⓘ Paragonite, ⓘ Phlogopite, ⓘ Pyrite, ⓘ Pyrolusite, ⓘ Quartz, ⓘ Scapolite, ⓘ Serpentine Subgroup, ⓘ Sphalerite, ⓘ Talc, ⓘ Thorogummite, ⓘ Titanite, ⓘ Topaz, ⓘ Tourmaline, ⓘ Tremolite, ⓘ Uralite, ⓘ Uranophane, ⓘ Vesuvianite, ⓘ Wernerite, ⓘ Wulfenite, ⓘ Zaratite |