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Pumice and pumicite

Mining Engineering

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Abstract

Production of pumice in the United States during 2012 was estimated to be 515 kt (568,000 st), a 5-percent increase compared to 2011. The unit value of pumice varied widely by end use in 2012. Pumice used as an abrasive was priced at $10.30/t ($9.34/st), while specialty-grade pumice, used in cosmetics, filtration or precision grinding, could be priced as high as $400/t ($360/st) on a spot basis. Eleven companies operated 11 mines in Arizona, California, Idaho, Kansas, New Mexico and Oregon. U.S. pumice exports totaled about 12.5 kt (13,800 st). Imports were higher at 75.1 kt (828,000 st).

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Pumice and pumicite
Series title:
Mining Engineering
Volume
2013
Issue:
July
Year Published:
2013
Language:
English
Publisher:
SME
Contributing office(s):
National Minerals Information Center
Description:
2 p.
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Mining Engineering
First page:
77
Last page:
78