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.
April, 1951. Ordinarily when we think of native Michigan minerals. suitable for cutting and polishing, we think first of the. minerals of Isle Royale and the Keweenaw Peninsula. Here can be found a number of minerals which are. attractive enough when cut and polished to be classed. as gem stones.