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.
In the mid-1990s, a naturally-occurring trace mineral called selenium, found in the âcenter waste shaleâ of phosphate mines (the rock layer found between layers of phosphate ore), was found to have leached into vegetation and waterways near mines in Caribou County, Idaho, at measurable concentrations.