MINERALS IN PAKISTAN NON-METALLIC MINERALS: Brine Calcite Coal Ilmenite Kaolin Lignite Limestone marble Mica Rock phosphate Potash Pyrite Radioactive minerals Rock salt Silica sand Soapstone Sulphur Vermiculite Chromite Gypsum GEMSTONES: Gemstones , also known as semi-precious stones or gems, are minerals widely used in jewelry and for ornamental purposes. Northern and western regions of Pakistan are rich in high quality gemstones. Ruby Emerald Bastnaesite - rare earth mineral Xenotime - rare earth mineral Sphene Tourmaline Quartz of various types Peridot Aquamarine Topaz - in various colours including violet, pink, golden, and champagne