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.
West Virginia's state gem is also a fossil (fossilized coral). All State Fossils President Thomas Jefferson obtained and described fossil bones from a limestone cave in what is now Monroe County in 1797, giving them the genus name Megalonyx (great claw).