A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal morphology and physical properties such as density and hardness. Minerals are the fundamental units from which most rocks are made.

Did you know?

Moh's Hardness scale

  1. Talc Mg3Si4O10(OH)2
  2. Gypsum (CaSO4·2H2O)
  3. Calcite (CaCO3)
  4. Fluorite (CaF2)
  5. Apatite Ca5(PO4)3(OH-,Cl-,F-)
  6. Orthoclase KAlSi3O8
  7. Quartz SiO2
  8. Topaz Al2SiO4(OH-,F-)2
  9. Corundum Al2O3
  10. Diamond C (pure carbon)