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.
Best Answer: Below are the major characteristics of metamorphic rocks. 1. Classified by texture and composition. 2. Rarely has fossils. 3. May react with acid. 4. May have alternate bands of light and dark minerals. 5. May be composed of only one mineral, ex. marble & quartzite. 6. May have layers of visible crystals. 7.