SVGMS Field Trip - US Silica Quarry
Minerals previously found at this site include: Actinolite, Albite (var: Andesine), Albite-Anorthite Series, Amphible Group (var: Uralite), Anatase, Anthophyllite, Apatite, Biotite, Garnet, Goethite, Hornblende, Illite, Ilmenite, Kaolinite, Microcline, Moonstone, Muscovite, Prehnite, Pyrite, Quartz (var: Blue Quartz), Rutile, Sericite, Spessartine, Titanite, Zircon.