Consists of Four Pairs of Twisted Wire

question 41

Short Answer

consists of four pairs of twisted wire.

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Definitions:

Magnetite

A magnetic mineral form of iron(II,III) oxide, often found in igneous and metamorphic rocks.

Quartz

A hard, crystalline mineral composed of silicon dioxide, widely used in jewelry and as an industrial abrasive.

Feldspar

A group of silicate minerals that are among the most abundant minerals in the Earth's crust, commonly found in igneous, metamorphic, and sedimentary rocks.

Calcite

A common naturally occurring calcium carbonate mineral, often found in sedimentary rocks, and the primary mineral that makes up limestone.