One option we’ll be looking at is the possible short-term production of met grade fluorspar from known highgrade hydrothermal fluorspar veins at Monte Muambe which have a grade of up to 70% or more ...
IBM Almaden Research Center, 650 Harry Road, San Jose, California 95120, United States ...
Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan ...
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