Familiar science, or, the scientific explanation of the principles of natural and physical science; and their practical and familiar applications to the employments and necessities of common life - Tapa blanda

Sinopsis

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated.1856 Excerpt: ... PART XYI. UJiiuralogir. CHAPTER LXX. Charatttrisiirs anb tosifiratian al ftintrals. Q. What is Mineralogy? A. Mineralogy is that branch of natural history in which mineral substances are classified and distinguished, their uses made known, and their modes of occurrence in the earth pointed out. Q. What Constitutes a mineral species? A. A mineral species is a natural inorganic body, with a definite chemical composition, and a regular determinate form or series of forms. Q. Into what Four Classes may mineral substances be divided? A. Into the siliceous and earthy minerals, the saline or salts, the inflammable, and the metals. Q. What are the Siliceous and Earthy minerals? A. The siliceous and earthy minerals comprise all those species which derive their principal characteristies from silica and the earths. In this class would be included most of the common stones, and the constituents of all ordinary rocks. Q. Will you give some Examples of the siliceous and earthy minerals? A. Those in which silica predominates, as the flints, quartz; those in which alumina, lime, and magnesia form esssential constituents, as common clay, slates, soapstone, mica, marble, limestone, spar, etc. Q. What Substances would be included in the Saline class? A. Most of the combinations of the acids and chlorine with the alkalies which exist in the mineral kingdom, as saltpetre or nitrate of potash, common salt or chloride of sodium, and salammoniac or chloride of ammonium. Q. What Mineral Substances would be included within the class of InflamMables or Combustirles? A. All the mineral combustible bodies, except the metals; such as sulphur, coal, amber, bitumen, etc. Q. What Minerals are included in the class of metals? A. All those mineral substances which are composed either entirel...

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