A Glossary of MineralogyLongman, Green, Longman, and Roberts, 1861 - Всего страниц: 420 |
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Стр. xvii
... Conchoidal , or Shelly : when the fractured surface displays curved concavities bearing more or less resemblance to those in the inside of a bivalve shell . Flint and glass are good examples of this kind of fracture . 2. Even when the ...
... Conchoidal , or Shelly : when the fractured surface displays curved concavities bearing more or less resemblance to those in the inside of a bivalve shell . Flint and glass are good examples of this kind of fracture . 2. Even when the ...
Стр. 3
... conchoidal cross - fracture , lamellar distinct concretions , its higher degree of transparency , and by the want of those rents which cross the cleavage obliquely in common Felspar . " - Jameson , vol . i . p . 289 . For varieties of ...
... conchoidal cross - fracture , lamellar distinct concretions , its higher degree of transparency , and by the want of those rents which cross the cleavage obliquely in common Felspar . " - Jameson , vol . i . p . 289 . For varieties of ...
Стр. 7
... conchoidal . H. 2.5 to 3. S.G. 6.1 . Comp . Double sulphide of copper and lead or 3 Cu2S + Pb S - copper 53.33 , lead 28.80 , sulphur 17.77 = 100 . • Analysis by Frederick Field : Copper Lead Sulphur 53.63 28.25 17.00 98.88 formation of ...
... conchoidal . H. 2.5 to 3. S.G. 6.1 . Comp . Double sulphide of copper and lead or 3 Cu2S + Pb S - copper 53.33 , lead 28.80 , sulphur 17.77 = 100 . • Analysis by Frederick Field : Copper Lead Sulphur 53.63 28.25 17.00 98.88 formation of ...
Стр. 8
... conchoidal and shining . Ad- heres to the tongue . H. 3. S.G. 1.76 to 1.89 . Comp . Hydrated silicate of alumina , or Ai3 Si2 + 15H . = silica 24-22 , alumina 40-39 , water 35.39 = 100 . Protoxide of cerium Oxide of lanthanium Yttria ...
... conchoidal and shining . Ad- heres to the tongue . H. 3. S.G. 1.76 to 1.89 . Comp . Hydrated silicate of alumina , or Ai3 Si2 + 15H . = silica 24-22 , alumina 40-39 , water 35.39 = 100 . Protoxide of cerium Oxide of lanthanium Yttria ...
Стр. 10
... conchoidal . H. 5'5 . S.G. 3.40 to 3.6 . BB in the platina forceps infusible : be- comes paler by heat . With borax yields a yellow glass , which becomes colourless on cooling . Comp . An approximative analysis shows it to consist ...
... conchoidal . H. 5'5 . S.G. 3.40 to 3.6 . BB in the platina forceps infusible : be- comes paler by heat . With borax yields a yellow glass , which becomes colourless on cooling . Comp . An approximative analysis shows it to consist ...
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Часто встречающиеся слова и выражения
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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