A Glossary of MineralogyLongman, Green, Longman, and Roberts, 1861 - 420 páginas |
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Página 6
... opaque variety of Apophyllite . found , associated with Na- trolite , at Aussig , in Bohemia . Brit Mus . , Case 27 . ALBITE , Beudant , Brooke & Miller , Dana , Phillips , Greg & Lettsom . Anorthic . Pri- mary form a doubly - oblique ...
... opaque variety of Apophyllite . found , associated with Na- trolite , at Aussig , in Bohemia . Brit Mus . , Case 27 . ALBITE , Beudant , Brooke & Miller , Dana , Phillips , Greg & Lettsom . Anorthic . Pri- mary form a doubly - oblique ...
Página 15
... opaque . Lustre shining , be- tween pearly and vitreous . Streak white . Brittle . Fracture imperfect conchoidal . Be- comes feebly electric by friction . H. 5 to 5.5 . S.G. 2.068 to 2.2 . Fig . 12 . Fig . 13 . BB loses water and ...
... opaque . Lustre shining , be- tween pearly and vitreous . Streak white . Brittle . Fracture imperfect conchoidal . Be- comes feebly electric by friction . H. 5 to 5.5 . S.G. 2.068 to 2.2 . Fig . 12 . Fig . 13 . BB loses water and ...
Página 22
... opaque . A bluish opalescence is some- times displayed in the direction of the vertical axis . Brittle . Cross fracture un - ceive ) , was given to this mineral by Wer- even , approaching to small - conchoidal . H. 5 . S.G. 3.25 , Comp ...
... opaque . A bluish opalescence is some- times displayed in the direction of the vertical axis . Brittle . Cross fracture un - ceive ) , was given to this mineral by Wer- even , approaching to small - conchoidal . H. 5 . S.G. 3.25 , Comp ...
Página 23
... Opaque . Harder than quartz . S.G. 3.44 . Fig . 26 . Localities . The banks of the river Lena , in Siberia ; the Banat ; and Schwarzenberg , in Saxony . Name . From & λóos , simple ; from the sup- posed derivation of the dodecahedron ...
... Opaque . Harder than quartz . S.G. 3.44 . Fig . 26 . Localities . The banks of the river Lena , in Siberia ; the Banat ; and Schwarzenberg , in Saxony . Name . From & λóos , simple ; from the sup- posed derivation of the dodecahedron ...
Página 34
... opaque . treous in fracture . H. 4.4 to 4-5 BB infusible ; smaller crystals become opaque white , the larger become reddish in the outer flame , and pale yellow in the inner . It is found in an albitic rock , associated with black ...
... opaque . treous in fracture . H. 4.4 to 4-5 BB infusible ; smaller crystals become opaque white , the larger become reddish in the outer flame , and pale yellow in the inner . It is found in an albitic rock , associated with black ...
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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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