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The process by which a mineral is first introduced to rock

The process, in whole or partially, of exploiting minerals for human use

A homogenous substance with defined chemical and physical properties, whose constituents are listed on the periodic table of elements

Calculated reserves with an approved plan of extraction

A measure of electric voltage, one-thousandth of a volt

Ore with sufficient values and characteristics to be capable of mechanically milled

A plant where ore is processed in preparation for smelting

A microscopic crystal capable of polarizing light

A group of phyllosilicate minerals with perfect basal cleavage and often occur in “books” or multiple flexible “leafs”. Found in various states in all rock types and includes the minerals anandite, annite, biotite, bityite, celadonite, chernykhite, clintonite, ephesite, ferri-annite, glauconite, hendricksite, kinoshitalite, lepidolite, margarite, masutomilite, montdorite, muscovite, nanpingite, norrishite, paragonite, phlogopite, polylithionite, preiswerkite, roscoelite, siderophyllite, sodium phlogopite, taeniolite, tobelite, wonesite, and zinnwaldite

A yellow to brown monoclinic mineral, (Ce,La,Y,Th)PO4; an ore of radioactive or rare earth elements