2005 minerals yearbook garnet industrial us department of the interior geological survey june 2006 29 1 by donald w olson domestic data and table were prepared nicholas a muniz statistical assistant deposits to infrastructure consumers milling costs pricing within industry is very competitive suppliers must provide high level customer service majority grade mined in united states almandine iron aluminum silicate pyrope magnesium some andradite calcium also domestically produced from alluvial bar beach like those idaho montana australia india it hard rock new york moore four companies accounted for all production one two usgs obtained this report through producers three reported their output sales amounts values nonreporting company estimated crude
