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Bureau of Mines / Minerals yearbook metals, minerals, and fuels 1972
Year 1972, Volume 1 (1972)

Chin, E.
Magnesium compounds,   pp. 747-755 ff. PDF (796.7 KB)


Page 752

' Not specifically provided for; includes magnesium silicofluoride or fluosilicate
and calcined magnesia. 
752 
MINERALS YEARBOOK, 1972 
Table 6.—U.S. imports for consumption of crude 1 and processed magnesite,
bycountry 
 1971 1972 
Country 
 Quantity Value Quantity Value 
(short tons) (thousands) (short tons) (thousands) 
Lump or ground caustic-calcined magnesia: 
 Australia 498 $52 231 
 Austria 561 24 520 
$27 
19 
Belgium-Luxembourg 6 1 - -Greece 426 34 917 
82 
India 7,848 458 6,711Netherlands 177 15 222 
378 
20 
New Zealand 162 17 -- 
 Turkey 1,840 135 1,775 
 Total 11,518 736 10,376 
Dead-burned and grain magnesia and periclase: 
Not containing lime or not over 4% lime: 
 Australia 60 5 964 
149 
675 
96 
Austria 6,761 448 8,323 
Canada 149 9 112 
526 
12 
 Germany, West -- - - 6 Greece 76,267 6,392 76,921 Ireland 26,616 1,967 24,827
Italy -- -- 3 Japan 6,009 362 5,434 Mexico -- -- 3 Poland -- -- 5,616 United
Kingdom 17 36 5,556 Yugoslavia - - -- 11 
 Total 115,879 9,219 127,776 
Containing over 4% lime: 
 Austria 2,408 138 2,717 Canada 2,417 165 3,208 Spain 2,927 151 -- Yugoslavia
5,394 341 33 
 Total 13,146 795 5,958 Grand total 129,025 10,014 133,734 
3 
5,360 
2,004 
(2) 
364 
(2) 
468 
466 
1 
9,300 
163 
230 
2 
395 
9,695 
' Crude magnesite 1971, 7 S.T. ($303); 1972, none. 2 Less than 34 unit. 
Table 7.—US. imports for consumption of magnesium compounds 
 Oxide or Magnesium Magnesium Magnesium Magnesium 
 calcined carbonate chloride chloride sulfate (epeom 
 magnesia (precipitated) (anhydrous) (other) salts and     kieserite) 
Year 
Magnesium salts and 
compounds n.s.p.f.' 
~ 
Quan- Value Quan- Value Quan- Value Quan- Value Quan- Valuetity   tity  
tity  tity tity(short (thou- (short (thou- (short (thou- (short (thou- (short
(thou-tons) sands) tons) sands tons) sands) tons) sands) tons) sands) 
Quan- Value tity 
(short (thoutons) sands) 
 1970_ 521 $200 808 $192 -- -- 824 $26 34,939 $617 3,608 $327 
 1971.. 628 222 138 60 26 $2 435 15 45,597 654 2,889 304 
 1972_ 690 256 139 73 22 1 250 8 21,538 378 2,662 395 


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