Definition: Molters, also known as molteors or molteroids, are tiny particles that are found in the Earth's crust and mantle. They consist of a solidified form of silicate minerals, with an average mass of about 0.35-1.25 g per cubic centimeter. These tiny particles can be made up of numerous different minerals, including calcite, dolomite, and quartz, which are all known as molteroids. Molters have a