| 10 |33⅓ |35 |37½ | 40 |41⅔ |43⅓ |45 |47½ | |-----+-------+-------+-------+-------+-------+-------+-------+-------+ Out of a ton of ore from the Stonewall Jackson Mine, adjoining the General Lee, in the Globe District, (Arizona) there was extracted October 25th, by the Pacific Refinery, San Francisco, ten bars of silver valued at $3,800, which is over 36 per cent. metallic copper. At Clinton, Arizona, the great copper mining center, the Longfellow Company have two furnaces running, and turn out as high as 10,000 pounds of pig copper daily. The furnaces used are Bennett’s patent. Arizona has, without doubt, the richest and most extensive copper mines in the world. This metal is all shipped east by way of El Moro. The Ores of Gold and Silver. ========================================================================= | NAME. | COMPOSITION. | -----------------+------------------------------------------------------- Native gold | Gold; silver up to 40 per cent.; copper and iron. Quicksilver | Mercury, with sometimes a little silver. Amalgam | Silver, 26 to 35; mercury, 74 to 65. Arquerite | Silver, 87; mercury, 13. Gold Amalgam | Mercury, 58 to 61; silver, 0 to 5; gold, 38 to 42. Native silver | Silver, alloyed with other metals. Bismuth | Bismuth, 27; lead, 33; silver, 15; iron, 4; | copper, 1; sulphur, 16. Native copper | Pure copper, with small quantity of silver through it. Tellurium | Tellurium, with gold and iron, varying quantities. Antimony | Antimony, containing at times silver, iron, or arsenic. Discrasite | Antimony, 23; silver, 77. Silver glance | Sulphur, 13; silver, 87. Naumannite | Selenium, 27; silver, 73. Eucairite | Selenium, 32; copper, 25; silver, 43. Hessite | Tellurium, 37; silver, 63. Stromeyrite | Sulphur, 16; silver, 53; copper, 31. Sylvanite | Tellurium, 56; gold, 28; silver, 16. Nagyagite | Tellurium, 13 to 32; lead, 51 to 61; gold, 6 to 9. Sternbergite | Sulphur, 34; silver, 32; iron, 34. Miargyrite | Sulphur, 21; antimony, 43; silver, 36. Pyrargyrite, | Sulphur, 18; antimony, 23; silver, 59. or ruby silver | Proustite, | Sulphur, 20; arsenic, 15; silver, 65. or ruby silver | Freieslebenite | Sulphur, 19; antimony, 27; lead, 30; silver, 24 Tetrahedrite, | Sulphur, arsenic, antimony, silver, copper, or gray copper | iron, zinc, and mercury, in most varying proportions. Polybasite | Sulphur, 16; antimony, 13; silver, 71. Stephanite | Sulphur, 16; antimony, 14; silver, 70. Xanthocone | Sulphur, 21; arsenic, 15; silver, 64. Fireblende | Sulphur, antimony, with silver, up to 62 per cent. Cerargyrite, | Chlorine, 25; silver, 75. or horn silver |