You Searched For: Magnesium aluminum silicate

wardsci.com 800-962-2660 Talc Mg3 Si4 O10 (OH)2 Crystallography: Monoclinic; 2/m. Rarely in crystals; more often in foliated masses or compact fine- grained aggregates. Compact and massive varieties known as steatite or soapstone. Physical Propert...

wardsci.com 800-962-2660 Illite (K H3O) (Al Mg Fe)2 (Si Al)4 O10 [(OH)2 H2O] Crystallography: Monoclinic. Crystals not distinguishable; usually in clay-like masses either compact or friable. Physical Properties: Cleavage: {001} perfect but not obs...

+ward’ssciencewardsci.com800-962-2660 Diopside CaMg Si2O6 (Pyroxene Group) Crystallography: Monoclinic; 2/m. Crystals prismatic showing square or 8-sided cross section; also granular massive. Physical Properties: Cleavage: {110} at 87° and 93° imp...

Kaolinite Al2 Si2 O5 (OH)4 Crystallography: Triclinic; 1. In very minute thin rhombic or hexagonal plates. More commonly in clay-like masses. Physical Properties: Cleavage: {001} perfect; flexible inelastic. Usually unctuous and plastic. Hardness:...

wardsci.com 800-962-2660 Topaz Al2SiO4 (FOH)2 Crystallography: Orthorhombic; 2/m2/m2/m. Crystals commonly prismatic with vertical prism faces often striated; also in crystalline masses or granular. Physical Properties: Cleavage: {001} perfect. Fra...

Almandine Fe3+2 Al2 (SiO4)3 (Garnet Group) Crystallography: Isometric; 4/m32/m. common forms are dodecahedron and trapezohedron. Also massive granular. Physical Properties: Cleavage: Not prominent; {110} parting sometimes distinct. Fracture subcon...

+ward’ssciencewardsci.com800-962-2660 Sodalite Na8 Al6 Si6 O24 Cl2 Crystallography: Isometric; 43m. Crystals rare usually dodecahedrons. More commonly massive granular. Physical Properties: Cleavage: {011} poor. Fracture conchoidal to uneven; brit...