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 some characteristics of all minerals? Color is one of the most important distinguishing characteristics of minerals. Minerals vary widely in color: some are translucent and appear as white or light gray, even pastel, while others are darker and reflect light. Streak refers to the color that a mineral takes on when ground into a powder. Along with hardness, it is an important characteristic.