An ore of Iron having low phosphorus content.
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Category: <span>B</span>
Relating to measurements of water depth
A green-blue hexagonal mineral used for gems, and in massive form it is the ore of beryllium, Be3Al2Si6O18
An element with Atomic number 97, discovered in 1950
A montmorillonitian clay formed by the alteration of volcanic ash known for its water absorptive properties which cause it to swell
To increase purity of a desired mineral
A deposit or formation, usually of loose materials, concentrated by channeled erosional forces
A machine using 2 parallel rotating cylinders covered by a belt that move each other in tandem, for the purpose of transporting objects on the moving belt
Cavities formed along strata caused by natural or manmade forces
Solid rock attached to the earth