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Bureau of Mines / Minerals yearbook: Metals and minerals 1978-79
Year 1978-79, Volume 1 (1978-1979)

Rowland, T. John, Jr.; Cammarota, V. A., Jr.
Antimony,   pp. 63-70 PDF (797.4 KB)

Page 63

Table l.—Salient antimony statistics 
(Short tons) 
 1975 1976 1977 1978 1979 
United States: 
       Mine 886 288 610 798 722 
       Smelter1 12,189 14,618 12,827 14,110 15,062 
     Secondary 17,964 19,799 30,601 26,456 NA 
  Exportsofmetalandalloys 340 341 742 556 485 
  Imports for consumption (antimony content) 18,706 21,770 13,335 17,511
  Consumption1 12,987 15,337 13,823 13,152 11,753 
  Stocks, primary antimony, all classes, 
   (antimonycontent),Dec.31 14,957 15,070 8,591 8,201 7,144 
  Price: New York, average cents per pound 176.58 165.26 178.00 217500 219600
World:Production 77,114 T75,~92 72,483 72,122 79,381 
rRevised NA Not available. 
' Includes primary antimony content of antimonial lead produced at primary
lead refineries. 2Antimony price in alloy, cent.s per pound. 
By T. John Rowland, Jr.,' and V. A. Cammarota, Jr.2 
 The consumption of antimony declined in 1978 and 1979 from that of 1977.
For the fifth consecutive year, the use of antimony metal as a hardening
agent in battery grid alloys decreased. Technological changes in the types
of alloys used in automotive batteries have drastically reduced the use of
antimony as a hardener for battery grids in recent years. 
 The traditional practice of pricing antimony metal on the basis of RMM and
Lone Star brands, which were produced at NL Industries, Inc.'s, Laredo, Tex.,
smelter, was discontinued in April 1978 owing to the closing of the plant
and depletion of residual stocks. Effective April 17, 1978, a new quotation
was established on the basis of refined antimony in alloy. The new price,
$1.75 per pound, represented the published 
prices of the two largest alloy producers, NL Industries and RSR Corp. This
price was maintained through early 1979, when it was increased to $2 per
pound, remaining~ at that level through the year. 
 Domestic mine production was at normal levels in 1978 and 1979, but metal
production increased substantially in 1979 over that of 1978 because of the
reactivation of the smelter in Laredo, Tex. Imports were up significantly
in 1978 and 1979 over those of 1977, mainly because of higher imports of
concentrate and antimony oxide. 
 Legislation and Government Prograrns.—At yearend 1979 the General
Services Administration reported that Government stocks of antimony totaled
40,727 tons. The Government stockpile goal remained at 20,130 tons. 
 MINE PRODUCTION mony Corp. (TJSAC) produced antimony 
from the stibnite mined at the Babitt, Bar- 
Domestic mine production of primary antimony in 1979 by two companies was
down dot, and Black Jack mines at Thompson 
from that of 1978. The United States Anti- Falls, Mont. In 1979, USAC increased

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