A Glossary of MineralogyLongman, Green, Longman, and Roberts, 1861 - 420 páginas |
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Página 1
... GREY OXIDE OF MANGANESE . From axes , unprofitable , because it is of but little use in the arts , compared with Pyrolusite , which it greatly resembles . : ACHATES or ' Axάrns the name by which the Agate was known to the ancient Greeks ...
... GREY OXIDE OF MANGANESE . From axes , unprofitable , because it is of but little use in the arts , compared with Pyrolusite , which it greatly resembles . : ACHATES or ' Axάrns the name by which the Agate was known to the ancient Greeks ...
Página 7
... 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 Colour ...
... 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 Colour ...
Página 9
... grey- ish - yellow . Translucent . Lustre vitreous , on surfaces of fracture resinous . Fracture con- choidal , uneven . H. 4 to 4.5 . S.G. 3.65 to 3.7 . Fig . 7 . Comp . Identical with Barytocalcite . Ba + Ca C , or carbonate of baryta ...
... grey- ish - yellow . Translucent . Lustre vitreous , on surfaces of fracture resinous . Fracture con- choidal , uneven . H. 4 to 4.5 . S.G. 3.65 to 3.7 . Fig . 7 . Comp . Identical with Barytocalcite . Ba + Ca C , or carbonate of baryta ...
Página 11
... grey passing into grey- ish - white . Frac- ture perfect con- choidal . AMAZON STONE . A bluish - green variety of Felspar ( Orthoclase ) . It is slightly trans- lucent at the edges , and possesses a consi- derable amount of varying ...
... grey passing into grey- ish - white . Frac- ture perfect con- choidal . AMAZON STONE . A bluish - green variety of Felspar ( Orthoclase ) . It is slightly trans- lucent at the edges , and possesses a consi- derable amount of varying ...
Página 15
... grey colour at Lichtenberg in the Fitchtelbirge . H. 4. S.G. 6-08 . Analysis by Von Kobell : Arsenic Nickel Sulphur Iron Lead Cobalt 45.34 37.34 14.00 2.50 0.82 trace ANATASE . 15 Comp . Na3 Si + 3Al Si2 + 6H = silica 54 · 6 , alumina ...
... grey colour at Lichtenberg in the Fitchtelbirge . H. 4. S.G. 6-08 . Analysis by Von Kobell : Arsenic Nickel Sulphur Iron Lead Cobalt 45.34 37.34 14.00 2.50 0.82 trace ANATASE . 15 Comp . Na3 Si + 3Al Si2 + 6H = silica 54 · 6 , alumina ...
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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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