A light non-metallic element. Symbol, Si
Blog
Tag: <span>S</span>
Sodium carbonate, Na2CO3
A rock whose major constituent is quartz
The massive form of talc
A transparent, light mineral forming quartz when fused, Silicon dioxide, SiO2
A metal refinery utilizing heated crucibles as a primary means of refinement
A long rectangular box having raised walls along its length, and a series of raised or recessed riffles between its walls, used for the recovery of gold and heavy placer minerals
The eroded surface at the edge of a fault caused by friction
A usually grayish, fine grained mineral substance composed of the metamorphosised compaction of any of clay, volcanic ash, and shale sediments
An isometric gemstone mineral, MgAl2O4