A Text-book of Mineralogy: With an Extended Treatise on Crystallography and Physical Mineralogy |
Common terms and phrases
actinolite albite apatite arsenic axial barite basal beryl blue Brittle brown calcite calcium carbonate cerussite chalcopyrite charcoal chlorite Cleavage closed tube coal cobalt Color white colorless composition containing copper Cornwall crystalline crystals cube edges epidote etc.-In the closed feldspar fibrous flame fluorite formula Fracture fuses galenite garnet Germ gives globule granular gray green H₂O hematite hemihedral heulandite hexagonal hornblende hydrochloric acid hydrous iron Isometric lateral axes light limestone Lustre metallic Lustre vitreous magnetite manganese masses massive mica mineral mines Monoclinic Obs.-Occurs occurs octahedral octahedron opaque optical orthoclase Orthorhombic oxide parallel pearly planes polarized prism prismatic pyramid pyrite pyroxene quartz ratio reaction refraction rhombohedral right angles rocks rutile scapolite serpentine silica silver soda solid angles Soluble sometimes species staurolite Streak sulphur Sweden symbol tetragonal tourmaline transparent tremolite triclinic twinning-plane Twins varieties vertical axis yellow zircon zone