A small compass with sights and reflector
A small compass with sights and reflector
A soft monoclinic mineral, 4[Na2B4O5(OH)4.8H2O]
A trigonal mineral with perfect basal cleavage, Mg(OH)2
A telescoping extension pole
Iron stained sandstone, usually of Triassic age
An exceptionally rich grade of ore
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