| Magnet Cove, Hot Spring County, Arkansas, USA | β Aegirine, β Albite, β Analcime, β Anatase, β Andradite, β Aragonite, β Astrophyllite, β Augite, β Baryte, β Beidellite, β Biotite, β Brookite, β Brucite, β Calcite, β Cancrinite, β Carbonate-rich Apatite, β Catapleiite, β Chlorite Group, β Dickite, β Diopside, β Dolomite, β Epidote, β Eudialyte, β Fayalite-Forsterite Series, β Ferberite, β Fluorapatite, β Fluorite, β Galena, β Gypsum, β Hematite, Hornblende, β Ilmenite, β Kaolinite, β Limonite, β Magnetite, β Manganese-bearing Pectolite, β Marcasite, β Melanterite, β Microcline, β Molybdenite, β Monticellite, β Mordenite, β Natrolite, β Nepheline, β Opal, β Orthoclase, β Perovskite, β Phlogopite, β Plagioclase, β Pyrrhotite, β Quartz, β Rutile, β Schorlomite, β Sodalite, β Sphalerite, β Talc, β Thaumasite, β Thomsonite Subgroup, β Titanite, β Tremolite, β Vesuvianite, β Wollastonite |
