Non-metallic minerals, as the name implies, are minerals that do not include metals, such as limestone, mica, coal, gypsum, dolomite, phosphate, salt, manganese, granite, and so on. They are utilized in a range of industries to make a variety of products, such as mica in the electrical business and limestone in the cement industry. Non-metallic minerals are also utilized in the manufacture of fertilizers and refractories. They are most commonly found in sedimentary rocks, which are generated by the aggregation of a variety of components such as minerals, biological remains, rock particles, and so on.
Man incorporated selected stones into his houses and fashioned cultural monuments and works of art from nicely shaped stones and costly materials since prehistoric times. The ICrapina Prehistoric Man produced tools out of a variety of silicate rocks and tuffs about 30 thousand years ago, and later employed coarse-grained aggregates of quartz, opal, and thick chert for crafting. Egypt’s beautiful Pyramids, which are approximately 3,500 years old and were constructed of compact limestones and Nubian sandstones, with obelisks and columns carved in granular and porphyrin granites, sphinxes of basalt and gabbros, and other materials. Later on, the prehistoric inhabitants of Lepenski Vir learned to choose spherical chunks of solid rock and the toughest minerals for their building materials, tools, jewelry, and weaponry. Not only that, but for fences, plates, tables, shrines, and graves, he employed appealing red and reddish-brown porphyrite marble, crystalline limestone, and sandstone.