Rocks Classified and Described: A Treatise on LithologyLongmans, Green, and Company, 1866 - 425 páginas |
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Página 4
... Silica Sn Oxide of Tin Strontium Sr Strontia Sulphur S Sulphuric Acid Tantalum Ta Tantalic Acid Ti Oxide of Titani Ti Titanic Acid V Vanadium Hg Mercury H Hydrogen H Water K Potassium K Potassa La Lanthanum La Protoxide of Lanthanum Y ...
... Silica Sn Oxide of Tin Strontium Sr Strontia Sulphur S Sulphuric Acid Tantalum Ta Tantalic Acid Ti Oxide of Titani Ti Titanic Acid V Vanadium Hg Mercury H Hydrogen H Water K Potassium K Potassa La Lanthanum La Protoxide of Lanthanum Y ...
Página 6
... silica . ( d ) Agate . - A variegated combination of common quartz , amethyst , jasper , carnelian , and other varieties of quartz , arranged in alternate stripes or layers , or irregularly mixed together . [ b , c , and d chiefly occur ...
... silica . ( d ) Agate . - A variegated combination of common quartz , amethyst , jasper , carnelian , and other varieties of quartz , arranged in alternate stripes or layers , or irregularly mixed together . [ b , c , and d chiefly occur ...
Página 9
... silica . With cobalt solution the fused edges are coloured blue . Not susceptible to the action of acids . Varieties of Colour and Lustre . ( a ) Adularia . - Colourless , or only slightly coloured , with bright lustre , transparent to ...
... silica . With cobalt solution the fused edges are coloured blue . Not susceptible to the action of acids . Varieties of Colour and Lustre . ( a ) Adularia . - Colourless , or only slightly coloured , with bright lustre , transparent to ...
Página 24
... silica . The geological area of biotite is far more extensiv that of potash - mica , for it is not only found in the plutonic rocks and crystalline schists ( granite , por gneiss ) , but also in more recent and the most recent v ...
... silica . The geological area of biotite is far more extensiv that of potash - mica , for it is not only found in the plutonic rocks and crystalline schists ( granite , por gneiss ) , but also in more recent and the most recent v ...
Página 35
... silica . Not affected by muriatic acid . hydrofluoric acid is formed . With sulphuric acid , some Pycnite is a fibrous variety of topaz . Topaz is an essential constituent of topaz - rock , an accessory of granite ( imbedded , or ...
... silica . Not affected by muriatic acid . hydrofluoric acid is formed . With sulphuric acid , some Pycnite is a fibrous variety of topaz . Topaz is an essential constituent of topaz - rock , an accessory of granite ( imbedded , or ...
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Términos y frases comunes
aggregates Alps amygdaloidal aphanite appear argillaceous augite basalt beds bitumen brown Browncoal calcareous calcspar carbonate character chemical chlorite clay clay-slate Cleavage coal colour Colourless columnar compact composition compound conchoidal to uneven consists contains Crown 8vo crystalline schists crystals decomposed deposits diabase diorite dolerite dolomite earth Edition felsitic felspar fibrous fine-grained foliated formation fossils Fracture conchoidal frequently fuses garnet geodes geol geological Germ gneiss grains granite granular grav greenstones grey gypsum hornblende igneous rocks imbedded iron Jahrb labradorite lavas leucite lime limestone Lustre vitreous magnesia magnetic iron-ore marl mass massive matrass matrix melaphyre metamorphic mica mica-schist mineral muriatic acid occurs oligoclase opaque origin orthoclase oxide plutonic porphyritic pyrites pyroxene quartz quartz-porphyry resinous rock-salt sandstone Saxony schists sedimentary rocks serpentine shale silica slaty soluble sometimes strata sulphuric surface syenite texture trachyte transition translucent transmutation Transparent tufa usually varieties veins vesicular cavities volcanic Woodcuts
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