ReservesEdit. By 2002 the estimated size of the deposit was 2,110,000 tonnes of pure antimony. The ore is composed of quartz, calcite, stibnite and some pyrite.
ANTIMONY DEPOSITS OF ALASKA. By ALFRED H. BROOKS. INTRODUCTION. The publications of the United States Geological Survey on Alaska contain many references to the occurrence of antimony ore, but for the most part they make only brief mention of stibnite incidentally to the description of other metalliferous deposits. The present
Drinking Water Contaminants Antimony. Antimony is a metal found in natural deposits as ores containing other elements. The most widely used antimony compound is antimony trioxide, used as a flame retardant. It is also found in batteries, pigments, and ceramics/glass.
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Antimony is sometimes found natively, but more frequently it is found in the sulfide stibnite (Sb2S3) which is the predominant ore mineral. Gold Refractory gold is in the ground gold ore trapped in sulphide lattice structures that conventional processes are unable to unlock.
Antimony: The mineral native Antimony information and pictures. Antimony is a minor ore of the element antimony, although most antimony comes from antimony compounds (namely Stibnite), which are much greater in abundance. Antimony has a very interesting property: It is similar to water, in that instead of contracting >> Ask price
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composition of antimony ore expressconnectionsin. The commercial ore of this metal is the sulfide known as stibnite, or gray antimony Its composition when pure is 72 per cent,, antimony ore of Chitral, . Chat Online; composition of antimony ore amonkarsin
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The article describes the properties, production, and usage of the element antimony and its primary compounds. Stibnite, which is referred to as crude antimony when its Sb 2 S 3 content is above 90 %, has a low melting point and it can be extracted by melting (liquidation). Antimony metal is recovered from ore primarily by pyrometallurgical techniques.
The traditional method of treating antimony ore (usually stibnite, the sulfide Sb2S3) is to roast it with charcoal or coke and collect the volatile oxide fume (Sb4O6) from which by further refining a pure antimony metal can be obtained.
Antimony is a chemical element and exists in both metallic and non metallic forms. The metallic form is bright silver and brittle material. Non metallic form of antimony is grey powder. Antimony is a stable element in dry air and is inert toacids and alkalis. Antimony expands on cooling and is a bad conductor of electricity and heat.
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Antimony is stable in air at room temperature, but reacts with oxygen if heated, to form antimony trioxide, Sb2O3. Antimony is a silvery, lustrous gray metal that has a Mohs scale hardness of 3. Thus pure antimony is too soft to make hard objects.
A native element, antimony metal is extracted from stibnite and other minerals. Antimony is used as a hardening alloy for lead, especially storage batteries and cable sheaths, also used in bearing metal, type metal, solder, collapsible tubes and foil, sheet and pipes, and semiconductor technology. Stibnite is the most important ore for antimony.
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Antimony is often found in other ores as well,, silver, copper, and lead. The pure element antimony is produced from the ore by roasting it to form the oxide, then reducing the oxide with carbon or iron; often a flux of sodium sulfate or sodium carbonate is used to prevent loss of molten antimony .