Question

Iron and rocks containing iron show yellowish rust due to​

Answer 1

Iron–rich rocks in thin section Magnetite and hematite are opaque under the microscope under transmitted light. Under reflected light, magnetite shows up as metallic and a silver or black color. Hematite will be a more reddish-yellow color. Pyrite is seen as opaque, a yellow-gold color, and metallic.

Answer 2

Iron gets its rust from exposure to moist and oxygen