Elements of Mineralogy, Crystallography and Blowpipe Analysis: From a Practical Standpoint, Including a Description of All Common Or Useful Minerals, the Tests Necessary for Their Identification, the Recognition and Measurement of Their Crystals, and a Concise Statement of Their Uses in the Arts |
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antimony arsenic arsenopyrite axial axis basal axes basal pinacoid bead bismuth BLOWPIPE blue borax brachy brittle brown calcite carbon cent charcoal cleavage closed tube coal coat cobalt cold colorless colors the flame copper crystalline crystals cube deposits DESCRIPTION.-A ETC.-Fuses ETC.-Infusible ETC.-On charcoal faces flux frequently fumes fuses fusion glass globule granular gray green H₂O heat hematite hexagonal hydrochloric acid iron isometric light limonite LUSTRE magnetic magnetite masses matrass mica minerals monoclinic nearly nickel nitric acid obtained occurs octahedron odor opaque Optically orthorhombic oxide parallel Physical Characters plate platinum powder prism prismatic pyrite pyroxene quartz reducing flame refraction REMARKS.-Occurs residue rhombohedron salt of phosphorus second order silicates silver soda sodium Soluble in nitric solution sometimes STREAK sublimate substance sulphide symmetry TENACITY tetragonal translucent transparent triclinic twinning plane unit prism usually vertical violet vitreous volatile yellow hot yields water zinc