. The American encyclopædia of commerce, manufactures, commercial law, and finance. er whichsilica is found in almost a state of purity. Thesilicioiis particles are not arranged so aa to pro-duce the transparency of rock crystal, but a trans-lucent, sometimes almost , substance, witha resinous or waxy fracture; and a variety ofshades of color are produced by a minute quantityof iron, for the beauty of which, together with thehigh polish they are capable of receiving, A. arehighly ]>rized as ornaments. They are usuallymet with in that variety of trap rocks called amyg-daloid or mandel
. The American encyclopædia of commerce, manufactures, commercial law, and finance. er whichsilica is found in almost a state of purity. Thesilicioiis particles are not arranged so aa to pro-duce the transparency of rock crystal, but a trans-lucent, sometimes almost , substance, witha resinous or waxy fracture; and a variety ofshades of color are produced by a minute quantityof iron, for the beauty of which, together with thehigh polish they are capable of receiving, A. arehighly ]>rized as ornaments. They are usuallymet with in that variety of trap rocks called amyg-daloid or mandelstein. They vary in size fromthat of a pin-head to a foot in diameter, hut thoseof one to three inches are the most common. Theyare found in many parts of Scotland, Sicily, etc.;hut the principal supplv is procured from Ober-stein, in Germany. Tlie stones known by thenames of Carnelian, Chalcedony, Onyx, Sardonyx,Mocha-Stone, Blo<, Chrysoprase, and Plas-ma, are closely allied to .1. Agave, American Aloe, or MAoutcv, is asucculent plant, cultivated in Mexico, and from. AHM which is obtained a valuable fibre used for mats,for brushes, and as a substitute for curled horse-hair for stuffing From it also the Mexi-cans obtain a favorite drink, called pulque, or .agavewine. From pulque an ardent spirit is distilled,which is known by the name of Mezcal or Aguar-diente dc Maguey. Age, the time when a person assumes legalauthority to act for himself or herself. Accordingto .\mericau law, a person becomes of age whenhe or she is 21 years old. Before this age onecaiuiot make a valid commercial contract. Ageing, in calico-printing, a process by whicha mordant, after being applied to a cotton fabric,is placed in circumstances favorable to its beingcompletely incorporated with and fixed in thefibre. Agenda, a or memorandum-book of busi-ness to be See Principal and de Change, the French name for astock-broker. Agio, a terra applied in some
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherbostonesteslauriat
