No Comments

Magnesium

A light, silvery-grey and very common metal. Symbol, Mg. Its principal ore is magnesite and dolomite

No Comments

Magma

The extremely hot volcanic fluid which forms rock when cooled

No Comments

Mafic

Dark igneous rocks typically high in iron and magnesium

No Comments

Macro

A prefix meaning large, the opposite of micro

No Comments

Mantle

The layer within the Earth between the crust and the molten core

No Comments

Malleable

The property of a mineral that can withstand bending, compression and deformation