olivine definition

  • noun:
    • A mineral silicate of iron and magnesium, principally (Mg, Fe)2SiO4, present in igneous and metamorphic stones and utilized as a structural material in refractories plus in cements. Also referred to as chrysolite.
    • Any of several olive-green magnesium-iron silicate minerals that crystallize within the orthorhombic system.
    • a standard name regarding the yellowish green mineral chrysolite, esp. the variety present in eruptive stones. It is a silicate of magnesium and metal ((Mg,Fe)SiO4).
    • a mineral consisting of magnesium metal silicate; a source of magnesium

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