ryankasuse4392 ryankasuse4392 27-02-2024 Chemistry contestada What is the crystal system of the unknown mineral "k magnetite" with the given properties: can be scratched by a fingernail, fractures, specific gravity (sg) ≈ 2.1, and can conduct electricity? a) Cubic b) Orthorhombic c) Monoclinic d) Hexagonal