A Glossary of MineralogyLongman, Green, Longman, and Roberts, 1861 - 420 páginas |
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Página xiv
... Transparency . The following terms are made use of to express the different degrees in which minerals possess the capacity of transmitting light . 1. Transparent : when the object seen through it appears perfectly dis- tinct , as in ...
... Transparency . The following terms are made use of to express the different degrees in which minerals possess the capacity of transmitting light . 1. Transparent : when the object seen through it appears perfectly dis- tinct , as in ...
Página xvii
... transparent variety . 4. Fluor Spar : a crystalline variety . 5. Apatite : a transparent variety . 6. Felspar ( Orthoclase ) : white cleavable variety . a xviii INTRODUCTION . 7. Quartz : a transparent variety .
... transparent variety . 4. Fluor Spar : a crystalline variety . 5. Apatite : a transparent variety . 6. Felspar ( Orthoclase ) : white cleavable variety . a xviii INTRODUCTION . 7. Quartz : a transparent variety .
Página xviii
Henry William Bristow. xviii INTRODUCTION . 7. Quartz : a transparent variety . 8. Topaz a transparent variety . 9. Sapphire : cleavable variety . 10. Diamond . Toughness . This quality ( which expresses the resistance which a body ...
Henry William Bristow. xviii INTRODUCTION . 7. Quartz : a transparent variety . 8. Topaz a transparent variety . 9. Sapphire : cleavable variety . 10. Diamond . Toughness . This quality ( which expresses the resistance which a body ...
Página 3
... Transparent or trans- lucent at the edges . Lustre shining . H. 6 . S.G. 2.58 . Comp . Neutral silicate of lime , or Ca Si lime 378 , silica 62.2 = 100. BB fuses to a white translucent glass . Forms a jelly with acids . Localities ...
... Transparent or trans- lucent at the edges . Lustre shining . H. 6 . S.G. 2.58 . Comp . Neutral silicate of lime , or Ca Si lime 378 , silica 62.2 = 100. BB fuses to a white translucent glass . Forms a jelly with acids . Localities ...
Página 11
... Transparent to subtranslucent . Lustre vitreous or pearly . Streak white . Brittle . Fracture flat con- choidal ... transparency to com- plete opacity , sometimes , but rarely , being nearly as white as ivory , and has a vitreous or ...
... Transparent to subtranslucent . Lustre vitreous or pearly . Streak white . Brittle . Fracture flat con- choidal ... transparency to com- plete opacity , sometimes , but rarely , being nearly as white as ivory , and has a vitreous or ...
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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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