central heating - a heating system in which air or water is heated at a central furnace and sent through the building via vents or pipes and radiators
exists and is an alternate of . Five physical characteristics of a mineral are: hardness, luster, diaphaneity, colour, and streak.
what are the five characteristics a mineral must have. natural occuring, inorganic, has a crystal structure, solid, and a definite chemical composistion. What are the eight ways to identify a mineral. color, streak, luster, density, hardness, crystal systems, clevage and fracture, and special properties. streak.