A Glossary of Mineralogy |
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Page xiv
... surface . It is , consequently , merely superficial . When the surface of a mineral ( as , for example , Columbite ) displays the superficial blue colour of tempered steel , it is said to possess the steel - tarnish ; when , as in the ...
... surface . It is , consequently , merely superficial . When the surface of a mineral ( as , for example , Columbite ) displays the superficial blue colour of tempered steel , it is said to possess the steel - tarnish ; when , as in the ...
Page xv
... surface are four in number : --- ( 1. ) Splendent : when the surface of the mineral reflects with sufficient brilliancy to give well - defined images , as is the case with Oxide of Tin and Specular Iron . : ( 2. ) Shining when the image ...
... surface are four in number : --- ( 1. ) Splendent : when the surface of the mineral reflects with sufficient brilliancy to give well - defined images , as is the case with Oxide of Tin and Specular Iron . : ( 2. ) Shining when the image ...
Page xvi
... surface by which the light enters . After passing through this stratum , the incident light , though not sensibly enfeebled or coloured , has lost the power of producing the same effect , and therefore may be considered as in some way ...
... surface by which the light enters . After passing through this stratum , the incident light , though not sensibly enfeebled or coloured , has lost the power of producing the same effect , and therefore may be considered as in some way ...
Page xvii
... surface is not rendered rough by the pre- sence of any minute elevations or depressions . : 3. Hackly when the ... surfaces of fracture ( called the cleavage - planes ) , parallel with the faces or planes of the primary crystal . This ...
... surface is not rendered rough by the pre- sence of any minute elevations or depressions . : 3. Hackly when the ... surfaces of fracture ( called the cleavage - planes ) , parallel with the faces or planes of the primary crystal . This ...
Page xviii
... surface it presents , its weight in water will be less than in air , and the difference between the weight in water and the weight in air , or the loss in weight it has sustained by immersion , will represent the weight of a quantity of ...
... surface it presents , its weight in water will be less than in air , and the difference between the weight in water and the weight in air , or the loss in weight it has sustained by immersion , will represent the weight of a quantity of ...
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Common terms and phrases
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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