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.
Best Answer: Covellite is a rare copper sulfide mineral and has the formula CuS. This indigo mineral is pervasive in copper ores. The mineral is found in limited abundance and is not an important ore of copper itself, although it is well known to mineral collectors. The covellite occurs throughout the United States. In Silver Bow County, Montana, a covellite has been found in veins at depths of 1,150 meters, as the primary mineral. Covellite formed as clusters in these veins reaching one meter across in Leonard mines, Montana.