A Treatise on Mineralogy Volume 1-2

A Treatise on Mineralogy Volume 1-2

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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. 1852 edition. Excerpt: ...B. B. decrepitates violently, and fuses to a steel-grey bead; on charcoal, yields arsenical fumes. Soluble in acids, evolving carb. acid; and in ammonia, leaves carb. lime. Arsenic acid 25'37, ox. copper 43'67, water 19'82, carbonate of lime 11'14. Kobell. The latter ingredient may be an accidental mixture. In beds and veins with copper ores at Falkenstein, Tyrol: Reichelsdorf, Hessia; Saalfeld, Thuringia; Schneeberg, Erzgebirge; Piombuco, Italy; Sierra Morena, Spain, and at Matlock, Derbyshire. Sp. 3. Chrysocolla, Jameson. H.= 2'0... 30. G.=2'03. Bot. ren. and massive. Fract. conch. Emerald-green to sky-blue. Rarely forming pseudomorphs after azurite, cuprite and copper mica. Brittle. Translucent. L. weak resinous; dull. Streak greenish white. B. B. in the closed tube, yields water; on charcoal, in the outer flame becomes black, in the inner, red, but is infusible; colors the flame green. Soluble and gelatinizes in-acids. Silica 36'54, perox. cop. 40, perox. iron 1'0, water 20'20, veinstone 2'1. Kobell. Found with ores of copper, and apparently originating in their decomposition. Cornwall, Hungary, Moldawa, Chili, Copper Harbor, Lake Superior, Somerville, N. Jersey, near Morgantown, Berks Co., Pa. "The siliceous-malachite (malachitkiesel of Zincken, ) from Lauterberg in the Hartz, seems only a variety of chrysocolla. The kupferblau of Breithaupt, from the Schappachthal in Baden, also agrees with it, except in its somewhat greater hardness (=4'0... 5'0) and higher specific gravity (--2'56). Planner finds in it, 36'3 p. c. copper = 45'5 protox. copper. The kupferblau of G. Rose, from Turjinsk iu the Ural, light 118 CO PPER-M I C A. LIROCONITE. SYMPLESITE. ClasS II. azure-blue, with bluish-white streak, is perhaps distinct. In warm hydrochloric...show more

Product details

  • Paperback | 98 pages
  • 189 x 246 x 5mm | 191g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236563131
  • 9781236563132