A Glossary of MineralogyLongman, Green, Longman, and Roberts, 1861 - Всего страниц: 420 |
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Стр. xviii
... easily broken ; while others , of which Jade is an instance , are at the same time both hard and tough . Specific Gravity . The specific gravity of a mineral is a test of very great importance in the identification of minerals , and in ...
... easily broken ; while others , of which Jade is an instance , are at the same time both hard and tough . Specific Gravity . The specific gravity of a mineral is a test of very great importance in the identification of minerals , and in ...
Стр. xxii
... easily fused than Natrolite , and yet more refractory than Antimony - Glance , will have its comparative fusibility represented by 1.5 . " The fragment to be experimented upon is generally held in the platinum forceps , but it is ...
... easily fused than Natrolite , and yet more refractory than Antimony - Glance , will have its comparative fusibility represented by 1.5 . " The fragment to be experimented upon is generally held in the platinum forceps , but it is ...
Стр. xxv
... easily recognisable after a little practice . The most important of these characters is the total absence of cleavage , and the degree of hardness which is No. 7 in the table given at xxvi INTRODUCTION . p . xvii . It cannot be.
... easily recognisable after a little practice . The most important of these characters is the total absence of cleavage , and the degree of hardness which is No. 7 in the table given at xxvi INTRODUCTION . p . xvii . It cannot be.
Стр. xxvi
... easily . It is infusible before the blowpipe ; is not acted on by acids , whether cold or hot ; and , with the addition of carbonate of soda , is easily dissolved to a glass before the blowpipe . None of the members of the Quartz family ...
... easily . It is infusible before the blowpipe ; is not acted on by acids , whether cold or hot ; and , with the addition of carbonate of soda , is easily dissolved to a glass before the blowpipe . None of the members of the Quartz family ...
Стр. xxvii
... easily , before the blowpipe , than the preceding group , but give no 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 ...
... easily , before the blowpipe , than the preceding group , but give no 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 ...
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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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