Question

d) Magnetite is an important ore of copper/iron/aluminium/tin.​

Answer 1

Answer:

Magnetite is a mineral and one of the main iron ores, with the chemical formula Fe3O4. It is one of the oxides of iron, and is ferrimagnetic; it is attracted to a magnet and can be magnetized to become a permanent magnet itself. ... Small grains of magnetite are very common in igneous and metamorphic rocks.

Category: Oxide minerals; Spinel group; Spinel structural group

Crystal class: Hexoctahedral (m3m); H-M symbol: (4/m 3 2/m)

Cleavage: Indistinct, parting on, very good

Explanation:

Answer 2

Answer:

Here is the solution

Explanation:

Magnetite is a mineral and one of the main iron ores, with the chemical formula Fe3O4. It is one of the oxides of iron, and is ferrimagnetic; it is attracted to a magnet and can be magnetized to become a permanent magnet itself.