To break up ore by crushing and compaction
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Category: <span>S</span>
A cone shaped or cylindrical deposit of precipitated minerals that develops from a floor or low area upward
A cone shaped or cylindrical deposit of precipitated minerals that develops downward, or hangs from a roof or ceiling
The mineral characteristics which exhibits radial offshooting from the centre or a single point
An isometric gemstone mineral, MgAl2O4
The most common ore of zinc, zinc sulphide ZnS
An isometric platiniferous mineral, PtAs2
A merchantable, nearly pure refined zinc product
The inherent characteristic of a minerals based on having sufficient hardness to strike and mark a mineral of lesser hardness
A general sample, or choice representation of a mineral substance, plant or animal