TABLE 2 | ||||||||||||
GROUND MICA SOLD OR USED BY PRODUCERS IN THE UNITED STATES, BY END USE | ||||||||||||
AND METHOD OF GRINDING1, 2 | ||||||||||||
2013 | 2014 | |||||||||||
Quantity | Value | Unit | Quantity | Value | Unit | |||||||
(metric tons) | (thousands) | value | (metric tons) | (thousands) | value | |||||||
End use: | ||||||||||||
Joint compound | 42,600 | $11,000 | $258 | 39,700 | $10,500 | $264 | ||||||
Paint | 16,700 | 6,440 | 384 | 15,600 | 6,150 | 394 | ||||||
Plastics | 2,110 | 1,340 | 637 | 1,960 | 1,280 | 653 | ||||||
Other3 | 17,700 | 4,840 | 274 | 16,500 | 4,630 | 281 | ||||||
Total | 79,200 | 23,600 | 298 | 73,800 | 22,500 | 306 | ||||||
Method of grinding: | ||||||||||||
Dry | W | W | 279 | W | W | 285 | ||||||
Wet | W | W | 360 | W | W | 369 | ||||||
W Withheld to avoid disclosing company proprietary data. | ||||||||||||
1Data are rounded to no more than three significant digits; may not add to totals shown. | ||||||||||||
2Domestic and some imported scrap. Low-quality sericite is not included. | ||||||||||||
3Includes mica used for molded electrical insulation, roofing, rubber, textile and decorative coatings, welding rods, | ||||||||||||
well-drilling mud, and miscellaneous. | ||||||||||||
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices