Peanut butter is an excellent source of nutrition. Required to contain at least 90 percent peanuts, it includes more than 30 vitamins and minerals. Peanut butter contains no cholesterol or trans fats, according to the National Peanut Board.
Quartz and calcite are abundant minerals in Washington State. Calcite is a very common mineral that appears in almost every color possible. Calcite is made up of calcium carbonate and is very brittle. Calcite sometimes contains iron, magnesium and zinc.
These minerals form the basic building blocks of the rocks that shape the landscape. Minerals exhibit distinctive properties that makes each unique. In Virginia minerals are mined for industrial purposes, collected by enthusiasts, and used for scientific research to help us better understand the Earth.