An orthorhombic, metallic mineral, 8[TiO2]
An orthorhombic, metallic mineral, 8[TiO2]
Iron ore formed as the precipitate of usually naturally occurring dissolved iron
Halogen element. A heavy, reddish-brown liquid, volatile at room temperature with a toxic vapour. Symbol, Br
Broken ore not yet brought to surface
Fine-grained rock matrix with suspended larger rock and fragments
A large shear zone or structural fault
A short raise or opening driven above a drift for the purpose of drawing ore from a stope, or to permit access
Narrow high walled canyon or gorge
A bluish-grey monoclinic metal mineral, Pb5Sb4S11
A descriptive term for minerals having the form of a cluster of grapes