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.
Rocks are formed from minerals or mineroids solidified into one. A rock could be made up of either one or more than one minerals combined together. For example, the most common rock granite is a combination of quartz, feldspar and biotite minerals.The Earthâs crust is also known as a rock.Rocks are classified based upon various characteristics such as mineral and chemical composition, texture and permeability.weet. Key Difference: Rocks are formed from minerals or mineroids solidified into one. A rock could be made up of either one or more than one minerals combined together. Minerals are homogenous solids that have regular structures and are found in rocks, ore and mineral deposits in the earthâs crust.