Mines, antimony

In complex copper and lead ores antimony is also present as a minor element and from these antimony is obtained as a byproduct in the winning of the main metals. One large antimony deposit Gravelotte in the northeast of Transvaal in South Africa, can however be looked at as a primary antimony deposit Antimony sulfide is found there together with gold, 1.8% antimony and 2 g gold/tonne. In the mine, antimony is the main element, gold a byproduct... 

Stibnite (SbjSj) is the most important ore for mining antimony. Another less important antimony ore is stibiconite (Sb Sbj O iOH)). Three-fourths of the world s production of antimony comes from China. The remaining one-fourth comes from Russia, South Africa, Tajikistan, and Bolivia. Even though there are still mineral deposits of antimony ore in Montana, Idaho, and Nevada, no direct mining operations for antimony are currently underway in the United States. However, some antimony is produced as a byproduct from copper and silver mining in the United States. 

Montana. These deposits consist of stibnite and other sulfide minerals containing base metals and silver or gold. Ores of the complex deposits are mined primarily for lead, copper, 2inc, or precious metals antimony is a by-product of the treatment of these ores. 

The Bunker Hill Co. (15) and ASARCO, Inc. (16) have developed processes for the leaching and electrowinning of antimony from tetrahedrite ores. As of 1991, only Sunshine Mining Co. was electrowinning antimony metal. 

Producers of primary metal and oxide in the United States are Amspec Chemical Corp., Anzon America, ASARCO Inc., Laurel Industries Inc., Sunshine Mining Co., and U.S. Antimony Corp. 

Roh-alkohol, m. crude (or raw) alcohoL -analyse, /. rough or approximate analysis, -antimon, n. crude antimony, -arbeit, /, (Metal.) ore smelting, -asbest, m. crude asbestos. -aufbereitung, /. preliminary preparation, -benzol, n. crude benzene, benzol (or benzole), -blei, n. crude lead, -blende, /. (Mining) crude blende, -block,... 

Tatsumi, T. (1948) Some observations in the Tsugu gold-antimony mine, Aichi prefecture. Misc. Rep. Res. 

Geochemistry of the Lake George Antimony mine tailings, Lake George, New Brunswick, Canada Understanding antimony mobility in a tailings... 

The Lake George Antimony Mine is located 39 kilometers west-southwest of Fredericton, New Brunswick, Canada. Stibnite (Sb2S3) and native antimony (Sb) were the main sources of antimony in the 100 year history of the mine (1880-1996). 

Fig. 1. Aqueous geochemical data from the Lake George Antimony Mine tailings. The x-axis represents concentrations in mg/L unless otherwise stated.

U.S. imports by class and country, 3 49t world mine production, reserves, and reserve base, 3 42t Antimony (III) acetate, 3 65 Antimony alloys, 3 41-56 compositional ranges, 3 52t process metallurgy, 3 44-47 selenium and metallurgy of, 22 98 uses of, 3 51-54... 

Two people are responsible for the discovery of tellurium. First, Franz Joseph Muller von Reichenstein (1743—1825), chief inspector of a gold mine in Transylvania (part of Romania), experimented with the ores in his mine between 1782 and 1783. From an ore known as aurum album, he extracted an element that, at first, was thought to be antimony. He sent a sample to Martin Heinrich Klaproth (1743—1817), who 16 years later correctly identified it as a new element and named it tellurium. However, Klaproth gave Franz Joseph Muller credit for the discovery. 

Among the merchants, continued Lemery, we find two general species of antimony, die unworked mineral and die artificial die former is taken from the mine loaded or mixed with many rock fragments, which the artisans call gangue.. . . This kind of antimony is not very common at die apodiecaries shops because it does not sell well.. . . ... 

The other kind of antimony, said Lemery, is that commonly found at die apothecaries it is not different from the first except that it has been purified from its stony and eardiy constituents. To purify it, the antimony taken from the mine is melted in vessels or crucibles in the fire, then removed by means of a perforated iron ladle to other vessels the... 

Native Antimony. In 1748 Anton von Svab found that the so-called arsenical pyrite from tire Sala mine in Sweden was native antimony (76, 79). In a review in 1781 of Torbem Bergman s dissertation on the wet assay of minerals, one finds the statement that the native antimony (Spiessglaskonig) discovered by von Svab is also found, although but rarely, outside Sweden in a quartzose matrix (80). 

Forman s tastes in alchemical texts were unrefined and his transcriptions informed more by happenstance than deliberation. He copied texts reputedly ancient and modern, English and Arabic, transmutational, medical, and spiritual. Of cako explicitly praised the medicinal virtues of alchemical preparations. When cako (crude antimony in Suchten s text) was taken from the mine, the author (Suchten) explained, it needed to be purged and cleansed in a series of four operations in order to reduce or mature it into progressively purer... 

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