A rock called dunite is composed almost entirely of it. The Norwegian variety is used both as foundry sand and as a flux for making steel, while it is found principally in ferromanganese igneous rocks, such as basalt, occurring in the lavas of Mount Vesuvius.
A rock called dunite is composed almost entirely of it. The Norwegian variety is used both as foundry sand and as a flux for making steel, while it is found principally in ferromanganese igneous rocks, such as basalt, occurring in the lavas of Mount Vesuvius. For ten points, identify the magnesium and iron silicate mineral, the first in the Bowen reaction series, which, at gem quality, is called peridot.
A rock called dunite is composed almost entirely of it. The Norwegian variety is used both as foundry sand and as a flux for making steel, while it is found principally in ferromanganese igneous rocks, such as basalt, occurring in the lavas of Mount Vesuvius.
Olivine