A Glossary of MineralogyLongman, Green, Longman, and Roberts, 1861 - 420 páginas |
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Página 5
... occurs in imbedded acicular four or six- sided prisms , indistinctly terminated , and striated longitudinally ; also massive . Colour . When fresh broken dark steel- grey , but soon acquiring a yellowish or pale copper - red tarnish ...
... occurs in imbedded acicular four or six- sided prisms , indistinctly terminated , and striated longitudinally ; also massive . Colour . When fresh broken dark steel- grey , but soon acquiring a yellowish or pale copper - red tarnish ...
Página 7
... occurs associated with the latter in the same granite , when it may be distinguished by its greater whiteness and translucency . Thus , in the granite of Pompey's Pillar , and the block on which the statue of Peter the Great in St ...
... occurs associated with the latter in the same granite , when it may be distinguished by its greater whiteness and translucency . Thus , in the granite of Pompey's Pillar , and the block on which the statue of Peter the Great in St ...
Página 8
... Occurs reniform , massive , encrusting ; occasionally almost pulverulent . Colour pale blue , sometimes green , brown , yellow or colourless . Translucent . Lustre , vitreous or resinous ; internally splendent and waxy . Streak white ...
... Occurs reniform , massive , encrusting ; occasionally almost pulverulent . Colour pale blue , sometimes green , brown , yellow or colourless . Translucent . Lustre , vitreous or resinous ; internally splendent and waxy . Streak white ...
Página 9
... Occurs massive , with a triple cleavage at right an- gles to each other . Colour clove - brown . Subtranslucent or opaque . Lustre dull . Streak yellowish . Fracture scaly , shining . H. above 4. S.G. 3.468 . Comp . ( Mn Na ) + Ë Ï + H ...
... Occurs massive , with a triple cleavage at right an- gles to each other . Colour clove - brown . Subtranslucent or opaque . Lustre dull . Streak yellowish . Fracture scaly , shining . H. above 4. S.G. 3.468 . Comp . ( Mn Na ) + Ë Ï + H ...
Página 13
... Occurs in granite at Chursdorf and Arnsdorf near Pe- nig , in Saxony , associated with Tourmaline and Garnet : also at Arendal , in Norway . The name is derived from ἀμβλυγώνιος , having an obtuse angle ; ( aucλús , blunt , and ywvía ...
... Occurs in granite at Chursdorf and Arnsdorf near Pe- nig , in Saxony , associated with Tourmaline and Garnet : also at Arendal , in Norway . The name is derived from ἀμβλυγώνιος , having an obtuse angle ; ( aucλús , blunt , and ywvía ...
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Términos y frases comunes
Alumina Analysis antimony arsenic Barytes BB fuses BB on charcoal Beudant blue Bohemia borax Breithaupt Brit Brittle Brochant brown carbonate cerium cleavage Coal cobalt colourless Comp conchoidal Cornwall Crown 8vo crystals Dana Dufrénoy earthy Felspar fibrous flame Fracture conchoidal Fracture uneven Garnet glass globule granular green grey Haidinger Harz Hausmann Haüy Hornblende Huel intumescence Jameson Kirwan Kobell lead Lime Magnesia Localities Lustre Lustre vitreous M. P. G. Horse-shoe M. P. G. Principal Floor Magnesia manganese masses mineral Mohs muriatic acid name given nickel Nicol nitric acid octahedrons opaque Oxide Oxide of copper pearly Peroxide of iron Phillips Phosphoric acid Potash primary form Protoxide of iron Protoxide of manganese Pyrites Quartz resembling resinous rhombic prism RHOMBOHEDRAL rocks Saxony Silica Silica Alumina Peroxide silver Soda Soluble sometimes SPAR stone Streak white sulphate sulphuric acid Tellurium Titanic acid Topaz translucent transparent variety Wall-case Water Werner yellow yellowish
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