Filters Chemical Group: Crystal Group: Color: Streak: Hardness: View All Native Elements Sulfides Oxides Halides Carbonates Nitrates Borates Sulfates Phosphates Tungstates/Molybdates Silicates Tectosilicates - Silica Group - Feldspar Group - Zeolite Group Phyllosilicates - Mica Group - Chlorite Group Inosilicates - Amphibole Group - Pyroxene Group Cyclosilicates - Tourmaline Group Sorosilicates Nesosilicates - Garnet Group - Humite Group View All Isometric Tetragonal Hexagonal Trigonal Orthorhombic Monoclinic Triclinic Amorphous View All Metallic White Colorless Blue Red Green Yellow Orange Brown Pink Purple Gray Black Banded Multicolored View All White to Colorless Blue Pink to Red Green Yellow to Orange Brown Gray Black View All 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9-10 10