Perlite Mined, Processed, And Expanded In The United States

TABLE 1
PERLITE MINED, PROCESSED, AND EXPANDED IN THE UNITED STATES¹

(Thousand metric tons and thousand dollars unless otherwise specified)

		2009	2010	2011	2012		2013
Perlite mined²		304	529	469	471		471
Processed crude perlite:
Sold to expanders:
Quantity		263	319	300	319	^r	340
Value		13,100	16,500	16,600	17,000	^r	19,300
Average value	dollars per metric ton	50	52	55	53		57
Used at own plants to make expanded perlite:
Quantity		85	95	120	74	^r	79
Value		4,000	5,090	6,990	3,340	^r	3,800
Average value	dollars per metric ton	47	54	58	45		48
Total, sold and used:
Quantity		348	414	420	393	^r	419
Value		17,100	21,600	23,600	20,400	^r	23,100
Average value	dollars per metric ton	49	52	56	52		55
Expanded perlite:
Production, quantity		450	472	477	462	^r	466
Sold or used:
Quantity		439	471	475	460	^r	463
Value		132,000	143,000	144,000	143,000	^r	148,000
Average value	dollars per metric ton	302	304	302	310		320
^rRevised.
¹Data are rounded to no more than three significant digits, except average value; may not add to totals shown.
²Crude ore mined and stockpiled for processing.