Clough's Mining Code; Compiled Expressly for the Use of Brokers in Correspondence by Telegraph

Clough's Mining Code; Compiled Expressly for the Use of Brokers in Correspondence by Telegraph

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 edition. Excerpt: and frequently a small amount of copper. Comparatively little of the silver of the mines is derived from native silver, most of the silver of commerce being obtained from some of the following forms. The principal silver ores are: ARGENTITE_--(Silver glance or silver sulphide.) Largely associated with lead sulphide or galena. Composition when pure, silver 87 per cent, sulphur 13 per cent. KERATE--(Kerargerite, horn silver.) Anhydrous chloride of silver, pure specimens containing 75.3 per cent of silver and 24.7 per cent chlorine. STEPHANlTE--(Brittle silver ore.) Anhydrous sulphide of silver and antimony. Black or iron_grey. When pure contains 71 per cent silver, the rest being antimony, with usually iron and copper. RED SILVER ORE, or RUBY SlLVER--Is an ore containing arsenic or antimony, sometimes both. That containing only antimony is dark_red and known as Pyrargyrite; it contains 59.8 per cent silver, 17.7 per cent sulphur and 22.5 per cent antimony. It occurs generally in crystals. When the silver sulphide is associatedwith arsenic only, the color is light-red and it is known as Proustite. It contains 65.5 per cent of silver. BROMIC SILVER, or BROMYRlTE--A common ore of silver, containing bromine 42.6 per cent and silver 57.4 per cent. E. L. TATE ammo INVESTMENTS 424_425 HYDE ELOCK SPOKANE, WASH. We handle all Western Mining Stocks, Developed and Undeveloped Mines. Real Estate Investments. Re erence: Old National Bank. P. O. BOX 1883 SPOKANE, WASH AN DREW LAIDLAW MINING INVESTMENTS Coal Lands and Stocks in the Crow's Nest District of British Columbia and Alberta. Silver-lead and Gold-copper properties in British Columbia and the Coeur D'Alenes. P. O. BOX BIS SPOKANE, WASH MINING BROKER Gold, Copper and Silver Lead more

Product details

  • Paperback | 26 pages
  • 189 x 246 x 1mm | 68g
  • United States
  • English
  • black & white illustrations
  • 1236817745
  • 9781236817747