A Glossary of MineralogyLongman, Green, Longman, and Roberts, 1861 - 420 страници |
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Страница xxi
... blue may be observed , b , c , which when acted on by the current of air from the blowpipe forms a cone , b , c , ( B ) . This is technically called the oxidizing flame , from its property of imparting oxygen to the substance upon which ...
... blue may be observed , b , c , which when acted on by the current of air from the blowpipe forms a cone , b , c , ( B ) . This is technically called the oxidizing flame , from its property of imparting oxygen to the substance upon which ...
Страница xxiii
... blue part is neatly directed upon the mineral ; whence may be distinguished- “ a . Red tint ; given by several minerals containing strontia and ( ? ) lithium . " b . Green , produced by some phosphates and borates , sulphate of baryta ...
... blue part is neatly directed upon the mineral ; whence may be distinguished- “ a . Red tint ; given by several minerals containing strontia and ( ? ) lithium . " b . Green , produced by some phosphates and borates , sulphate of baryta ...
Страница xxv
... blue at first , but turns black on being boiled ; with ammonia they give a green precipitate , which is re- dissolved in excess of ammonia , and becomes of a fine blue colour . Compounds of Lead , when dissolved in nitric acid , give a ...
... blue at first , but turns black on being boiled ; with ammonia they give a green precipitate , which is re- dissolved in excess of ammonia , and becomes of a fine blue colour . Compounds of Lead , when dissolved in nitric acid , give a ...
Страница xxvi
... blue , but generally a dull blue tint . The specific gravity of this group varies from 2.75 to 3.3 , and the hardness from 15 to 2 . Pyrophyllite , Margarite , Euphyllite . - With the exception of the former mineral , the lamina are ...
... blue , but generally a dull blue tint . The specific gravity of this group varies from 2.75 to 3.3 , and the hardness from 15 to 2 . Pyrophyllite , Margarite , Euphyllite . - With the exception of the former mineral , the lamina are ...
Страница xxvii
... blue colour to cobalt solu- tions . They are slightly acted on by acids , giving mostly dark green solutions , except in the case of Pyrosclerite , which is often reddish . Talc resembles the preceding group in most characters , but the ...
... blue colour to cobalt solu- tions . They are slightly acted on by acids , giving mostly dark green solutions , except in the case of Pyrosclerite , which is often reddish . Talc resembles the preceding group in most characters , but the ...
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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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