Revised. 
NA Not available. 
~Dead-bumed basic refractory material consisting chiefly of magnesia and
lime, 
 STATISTICAL SUMMARY  C35 
 
Table 9.—TJ.S. imports for consumption of principal minerals and products—Continued

 1966 1967 
Mineral Quantity (thousands) Quantity (thousands) 
Nonmetals—Continued 
Lime: 
      Hydrated short tons  203 $5 545 $12 
      Other do...... 151,703 1,772 79,983 961 
      Dead-burned dolomite1 do...... 43,637 2,038 42,413 1,832 
   Magnesium: 
      Magnesite do_.... 186,200 10,941 127,955 7,612 
      Compounds do...... 11,864 542 11,293 547 
  Mica: 
      Uncut sheet and punch....thousand pounds  3,247 3,993 1,733 1,990 
      Scrap do_.... 2,642 71 1,016 25 
      Manufactures do...... 7,535 6,670 5,440 3,373 
  Mineral-earth pigments: Iron oxide pigments: 
      Natural short tons  3,662 200 3,670 271 
      Synthetic do_. 15,234 2,626 14,034 2,626 
      Ocher, crude and refined do - -  146 8 236 16 
      Siennas, crude and refined do~ -  1,192 145 951 104 
      Umber, crude and refined do - -  3,762 135 4,275 162 
      Vandyke do - -  554 49 272 24 
  Nitrogen compounds (major), including urea 
                      thousand short tons.... 1,561 75,974 1,688 83,922 
   Phosphate, crude do   178  4,256  139  3,261 
   Phosphatic fertilizers do - -  67 3,740 105 6,167 
   Pigments and salts: 
      Lead pigments and compounds..short tons   30,497   7,353   30,645 
 6,569 
      Zinc pigments and compounds do - -  18,649 3,633 18,988 3,404 
   Potash do...... r2,544,112 p71,821 2,925,082 73,491 
   Pumice: 
      Crude or unmanufactured do - -  9,393 91 5,702 49 
      Wholly or partly manufactured do -  273,338 723 240,273 580 
      Manufactures, n.s.p.f  NA 25 NA 22 
   Quartz crystal (Brazillian pebble)........~pounds  1,470,341 896 1,049,544
730 
   Salt                thousand short tons.... 2,479 6,464 2,843 8,541 
   Sand and gravel: 
      Glass sand do.~.. 18 95 44 159 
      Other sand and gravel do. - -  631 811 588 753 
   Sodium sulfate do. - -  237 3,981 291 4,506 
   Stone and whiting  NA 20,739 NA 19,823 
   Strontium: Mineral short tons_  11,517 267 5,612 118 
   Sulfur and pyrites: 
      Sulfur: 
         Ores and other forms, n.e.s. 
                       thousand long tons_ 1,514 33,525 1,474 47,612 
         Pyrites do. -  16 84 10 51 
   Talc: Unmanufactured short tons.. 21,908 834 15,361 658 
Fuels: 
   Carbon black: 
      Acetylene pounds.... 7,058,926 1,185 5,784,814 987 
      Gas black and carbon black do..._ 385,381 61 330,910 56 
   Coal: 
      Bituminous, slack, culm and lignite 
 short tons... 177,672 1,654 227,338 1,992 
      Briquets do.. - -  10,856 163 17,422 260 
      Coke do........ 95,761 1,790 92,001 1,704 
   Peat: 
       Fertilizer grade do...... 289,823 11,416 277,241 12,088 
       Poultry and stable grade do.. - -  4,020 199 3,601 189 
   Petroleum              thousand barrels.... 940,489 r 2,208,589 925,806
2,207~384