"Name","MineralGroup","CrystalType","Composition","HardnessLo","HardnessHi","SG Lo","SG Hi","Cleavage","MineralCleavageModifier","Fracture","Formation","Tests" "Gold","Native Elements","Cubic","Au","2.5","3","19.3","19.3","None",,"Hackly",, "Silver","Native Elements","Cubic","Ag","2.5","3","10.5","10.5","None",,"Hackly",, "Platinum","Native Elements","Cubic","Pt","4","4.5","21.4","21.4","None",,"Hackly",, "Copper","Native Elements","Cubic","Cu","2.5","3","8.9","8.9","None",,"Hackly",, "Bismuth","Native Elements","Trigonal/Hexagonal","Bi","2","2.5","9.7","9.8","Basal","Perfect","Uneven",, "Arsenic","Native Elements","Trigonal/Hexagonal","As","3.5","3.5","5.7","5.7","Basal","Perfect","Uneven",, "Antimony","Native Elements","Trigonal/Hexagonal","Sb","3","3.5","6.6","6.7","Basal","Perfect",,, "Sulfur","Native Elements","Orthorhombic","S","1.5","2.5","2.0","2.1","Basal","Imperfect","Uneven to Conchoidal",, "Mercury","Native Elements","Trigonal/Hexagonal","Hg","Liquid","Liquid","13.6","14.4","None",,"Uneven",, "Nickel-Iron","Native Elements","Cubic","Ni,Fe","4","5","7.3","8.2","Cubic","Poor","Hackly",, "Diamond","Native Elements","Cubic","C","10","10","3.52","3.52","Octahedral","Perfect","Conchoidal",, "Graphite","Native Elements","Trigonal/Hexagonal","C","1","2","2.1","2.3","Basal","Perfect","Uneven",, "Galena","Sulfides","Cubic","PbS","2.5","2.5","7.58","7.58","Cubic","Perfect","Subconchoidal",, "Pyrite","Sulfides","Cubic","FeS2","6","6.5","5","5",,"Indistinct","Conchoidal to uneven",, "Halite","Halides","Cubic","NaCl","2","2","2.1","2.2","Cubic","Perfect","Uneven to Conchoidal",, "Fluorite","Halides","Cubic","CaF2","4","4","3.1","3.3","Octahedral","Perfect","Conchoidal",, "Magnetite","Oxides","Cubic",,"5.5","6.5","5.2","5.2","None","None","Subconchoidal to uneven",, "Hematite","Oxides","Trigonal/Hexagonal","Fe2O3","5","6","5.26","5.26","None","None","Uneven to Subconchoidal",, "Chrysoberyl","Oxides","Orthorhombic","BeAl2O4","8.5","8.5","3.7","3.8","Prismatic","Distinct","Conchoidal to uneven",, "Corundum","Oxides","Trigonal/Hexagonal","Al2O3","9","9","4","4.1","None",,"Conchoidal to uneven",, "Ruby","Oxides","Trigonal/Hexagonal","Al2O3","9","9","4","4.1","None",,"Conchoidal to uneven",, "Sapphire","Oxides","Trigonal/Hexagonal","Al2O3","9","9","4","4.1","None",,"Conchoidal to uneven",, "Quartz","Oxides","Trigonal/Hexagonal","SiO2","7","7","2.65","2.65","None",,"Conchoidal to uneven",, "Chalcedony","Oxides","Trigonal/Hexagonal","SiO2","7","7","2.65","2.65","None",,"Conchoidal",, "Opal","Oxides",,,"5.5","6.5","1.9","2.3",,,"Conchoidal",, "Bauxite","Oxides",,,"1","3","2.3","2.7","None",,"Uneven",, "Calcite","Carbonates","Trigonal/Hexagonal","CaCO3","3","3","2.71","2.71",,"Perfect","Subconchoidal",, "Malachite","Carbonates","Monoclinic",,"3.5","4","4","4",,"Perfect","Subconchoidal to uneven",, "Azurite","Carbonates","Monoclinic",,"3.5","4","3.77","3.78",,"Perfect","Conchoidal",, "Gypsum","Sulfates","Monoclinic",,"2","2","2.32","2.32",,"Perfect","Splintery",, "Turquoise","Phosphates","Trigonal/Hexagonal",,"5","6","2.6","2.8",,"Good","Conchoidal",, "Adamite","Arsenates","Orthorhombic",,"3.5","3.5","4.3","4.4",,"Good","Subconchoidal to uneven",, "Olivine","Silicates","Orthorhombic",,"6.5","7","3.27","4.32",,"Imperfect","Conchoidal",, "Garnet","Silicates","Cubic",,"6.5","7.5","3.4","4.3",,"None","Uneven to Conchoidal",, "Topaz","Silicates","Orthorhombic",,"8","8","3.49","3.57",,"Perfect","Subconchoidal to uneven",, "Zircon","Silicates","Tetragonal","ZrSiO4","7.5","7.5","4.6","4.7",,"Imperfect","Uneven to Conchoidal",, "Beryl","Silicates","Trigonal/Hexagonal","Be3Al2Si6O18","7","8","2.6","2.9",,"Indistinct","Uneven to Conchoidal",, "Tourmaline","Silicates","Trigonal/Hexagonal",,"7","7.5","3","3.2",,"Indistinct","Uneven to Conchoidal",, "Hornblende","Silicates","Monoclinic",,"5","6","3.28","3.41",,"Perfect","Uneven",, "Talc","Silicates","Monoclinic",,"1","1","2.58","2.83",,"Perfect","Uneven",, "Muscovite","Silicates","Monoclinic",,"2.5","4","2.77","2.88","Basal","Perfect","Uneven",, "Microcline","Silicates","Triclinic","KAlSi3O8","6","6.5","2.55","2.63",,"Perfect","Uneven",, "Labradorite","Silicates","Triclinic",,"6","6.5","2.69","2.72",,"Perfect","Uneven to Conchoidal",, "Andesine","Silicates","Triclinic",,"6","6.5","2.66","2.68",,"Perfect","Uneven to Conchoidal",, "Orthoclase","Silicates","Monoclinic","KAlSi3O8","6","6.5","2.55","2.63",,"Perfect","Uneven to Conchoidal",,