International Library of Technology: A Series of Textbooks for Persons Engaged in the Engineering Professions and Trades, Or for Those who Desire Information Concerning Them, Volumen39,Parte2International Textbook Company, 1908 |
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Términos y frases comunes
alkaline aluminum ammonia ammonium angles antimony Archean arsenic assay axis basal bead becomes beds bismuth blowpipe blue borax brittle brown calcium Carboniferous cent charcoal chloride cleavage closed tube coat cobalt cold coloring the flame colorless contains copper crystalline crystals cupel deposits depth Devonian epoch faces feet thick feldspar fissures formation forms fossil fracture gives globule gold granular gray green heated hexagonal system hydrochloric acid hydroxide insoluble iron isometric system lead limestone lithosphere luster magnesium manganese masses massive material matrass metallic mineral moistened monoclinic nickel nitric acid occurs usually octahedron odor orthorhombic oxide Pale plane potassium powdered precipitate prisms quartz reaction rhombohedral River rocks salt sandstone selenium shales shown in Fig silicate Silurian silver soda sodium soluble solution sometimes strata streak sublimate substance sulphate sulphide sulphuric acid surface tellurium tenacity Tests for Identification.-B. B. tetragonal tion translucent vein vitreous volatile yellow zinc