972  CANADA MINERALS YEARBOOK—1988TABLE 3—Continued 
 
CANADA: EXPORTS AND REEXPORTS OF MINERAL COMMODITIES1 
(Metric tons unless otherwise specified) 
 
Commodity 
1986w 
1987 
 
Destinations, 1987 
 
 
 
United 
States 
. 
Other (principal) 
METALS—Continued 
166,610 
130,366 
13,790 
Italy 59,430; West Germany 20,097; Japan 16,854. 
Other: 
 
 
 
 
Ores and concentrates 
 
 
 
 
Ashes and residues 
47,798 
59,748 
25,101 
Japan 7,282; West Germany 3,440. 
Base metals including alloys, all forms 
2,915 
2,565 
1,731 
United Kingdom 332; Belgium-Luxembourg 
127. 
INDUSTRIAL MINERALS 
265 
1 388 
1 384 
NA. 
Abrasives, n.e.s.: 
 
 
 
 
Natural: Corundum, emery, pumice, etc. 
 
 
 
 
Artificial: 
127,552 
139,926 
129,101 
United Kingdom 10,105; West Germany 
490. 
Corundum 
 
 
 
 
Silicon carbide value, thousands 
$52,225 
$66,263 
$60,062 
Japan $1 694; West Germany $931. 
Dust and powder of precious and semiprecious 
$204 
$507 
$507 
 
stones do. 
 
 
 
 
Grinding and polishing wheels and stones do. 
$6,297 
$8,363 
$7,1 89 
West Germany $315; New Zealand $222. 
Asbestos, crude 
717,703 
648,843 
84,223 
Japan 87,321 ; Thailand 34,411. 
Barite and witherite 
6,627 
6,052 
5,852 
Madagascar 200. 
Cement value, thousands 
$1 41 571 
$1 46,984 
$1 45,860 
Cuba $331 ; United Kingdom $172. 
Clays, crude 
2,269 
6,868 
2,060 
Finland 4,130; West Germany 259. 
Diamond: 
$22,914 
$27,443 
$13,393 
Israel $7,250; Belgium-Luxembourg $5,291. 
Gem, not set or strung value, thousands 
 
 
 
 
Industrial stones do. 
$550 
$336 
$270 
Belgium-Luxembourg $27; Ireland $27. 
Feldspar, fluorspar, related materials 
338,260 
356,144 
318,743 
Netherlands 21 028; Australia 6,017. 
Fertilizer materials: 
930 
1,317 
1,269 
Philippines 12; Republic of South Africa 12. 
Manufactured: 
 
 
 
 
Ammonia thousand tons 
 
 
 
 
Nitrogenous do. 
1 740 
1 923 
1 440 
China 159; Australia 75. 
Phosphatic 
21 879 
34,979 
29,596 
Philippines 5,01 8; New Zealand 75. 
Potassic thousand tons 
9,894 
10,984 
6,029 
China 794; Brazil 654. 
Unspecified and mixed do. 
257 
243 
214 
Jamaica 10; Portugal 8. 
Gypsum and plaster 
5,942,849 
5,723,359 
5,723, 1 76 
Comoros 1 43; West Germany 21. 
Lime 
189,693 
163,777 
163,637 
Bermuda 99; Australia 34. 
Magnesium compounds: Magnesite, 
 
 
 
 
crude value, thousands 
$29,913 
$24,847 
$20,563 
West Germany $987; Mexico $631 . 
Pigments, mineral: Iron oxides and hydroxides, 
 
 
 
 
natural and processed 
16,216 
17,532 
17,373 
Brazil 106; Philippines 25. 
Precious and semiprecious stones other than 
$10,262 
$9,072 
$5,915 
United Kingdom $455; Belgium- 
diamond, synthetic value, thousandsSalt and brine thousand tonsSee footnotes
at end of table. 
2,553 
1 960 
1 955 
Luxembourg $392. St. 
 
 
 
 
Pierre and Miquelon 2; Barbados