A Glossary of MineralogyLongman, Green, Longman, and Roberts, 1861 - 420 страници |
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Страница xxii
... yellowish and difficult to volatilize . " c . Antimony , a white deposit , easy to volatilize . " d . Bismuth , a crust partly white , partly orange - yellow , without colouring the flame . " e . Sulphur , with the well - known odour of ...
... yellowish and difficult to volatilize . " c . Antimony , a white deposit , easy to volatilize . " d . Bismuth , a crust partly white , partly orange - yellow , without colouring the flame . " e . Sulphur , with the well - known odour of ...
Страница 1
... yellowish - brown tint by transmitted light . Lustre vitreous , inclining to resin- ous . Streak pale yellowish - grey . Brittle . Fracture imperfect conchoidal . H. 6 to 6 · 5 . S. G. 3.5 to 3.6 . · 00- Fig . 1 . Fig . 2 . Comp . Na Si ...
... yellowish - brown tint by transmitted light . Lustre vitreous , inclining to resin- ous . Streak pale yellowish - grey . Brittle . Fracture imperfect conchoidal . H. 6 to 6 · 5 . S. G. 3.5 to 3.6 . · 00- Fig . 1 . Fig . 2 . Comp . Na Si ...
Страница 7
... yellowish to grey . Usually dull . Brittle . H. 3 to 3.5 : of more altered crystals 2.5 . S.G. 27 to 2.78 . Analysis by T. S. Hunt : Silica Alumina 49.82 Analysis by F. Field : Copper Arsenic Silver . ALLANITE . 83:30 16.23 · 0.31 99.84 ...
... yellowish to grey . Usually dull . Brittle . H. 3 to 3.5 : of more altered crystals 2.5 . S.G. 27 to 2.78 . Analysis by T. S. Hunt : Silica Alumina 49.82 Analysis by F. Field : Copper Arsenic Silver . ALLANITE . 83:30 16.23 · 0.31 99.84 ...
Страница 18
... Yellowish , or reddish - white ; becoming brown on exposure . Translucent at the edges . Lustre vitreous , inclining to pearly . Brittle . Fracture uneven . I. 3.5 to 4. S.G. 2.95 to 3.1 . Comp . Ca C + ( Fe , Mg , Mn ) C. Analysis by ...
... Yellowish , or reddish - white ; becoming brown on exposure . Translucent at the edges . Lustre vitreous , inclining to pearly . Brittle . Fracture uneven . I. 3.5 to 4. S.G. 2.95 to 3.1 . Comp . Ca C + ( Fe , Mg , Mn ) C. Analysis by ...
Страница 19
... yellowish - brown co- lour . Opaque or slightly subtranslucent . Lustre silky . Tough . Gives sparks with steel . H. 65. S.G. 3.6 . Comp . Fe 3+ H = silica 604 , peroxide of iron 35.6 , water 4.0 = 100.0 . BB becomes reddish - brown ...
... yellowish - brown co- lour . Opaque or slightly subtranslucent . Lustre silky . Tough . Gives sparks with steel . H. 65. S.G. 3.6 . Comp . Fe 3+ H = silica 604 , peroxide of iron 35.6 , water 4.0 = 100.0 . BB becomes reddish - brown ...
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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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