A measure of electric voltage, one-thousandth of a volt
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Category: <span>M</span>
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
A meteor that has fallen to Earth which has resisted disintegration in the Earths atmosphere. Meteorites are either stone, iron, or a mixture of both which frequently contain other elements including nickel platinum, iridium
A movement of aqueous debris, soil, sand gravel and/or rocks
Broken rocks or loose earth
The study of crystal formation