| 'Amethyst' - 6, 7Anatase - 7Ankerite - 7'Apatite' - 7Autunite - 6Azurite - 6Bismuthinite - 7Calcite - 6Cassiterite - 6, 7, 2Chalcocite - 6, 3, 5Chalcopyrite - 6, 3'Chalcotrichite' - 4'Chlorite Group' - 7Chrysocolla - 3'Citrine' - 6Copper - 6, 3Cuprite - 6, 3Epidote - 2Fluorite - 6, 7, 2'Garnet Group' - 2 | Goethite - 6, 5Langite - 3Malachite - 6, 3Manganite - 1Olivenite - 6Opal - 6'Pitchblende' - 6'Psilomelane' - 1Pyrite - 6, 7Quartz - 6, 7'Rock Crystal' - 6'Rose Quartz' - 1Schorl - 7Siderite - 6, 5, 7'Smoky Quartz' - 6Sphalerite - 7Tenorite - 6Torbernite - 6Tristramite - 6Zippeite - 6, 2 |