Which one of the following is a mineral of irons (a) Malachite (b) Cassiterite (c) Pyrolusite (d) Magnetite Which one of the following is a mineral of irons (a) Malachite (b) Cassiterite (c) Pyrolusite (d) Magnetite November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,