After Quartz, Calcite is the most next common mineral on the face of the Earth, comprising about 4% by weight of the Earth's crust. It is found throughout the world in sedimentary, metamorphic an ...
Peru Rocks and Minerals - (Page)Peru is one of the leading producers of copper, gold, lead and silver. Today, Peru is the largest gold producer in Latin America, and the sixth-largest worldwide, generating billions of dollars in ...
Septarian Nodule - (Page)Septarian Nodules are actually sedimentary rock concretions. They actually look like giant mud balls, but when you break them open they have very pretty pockets of yellow. Some even have open pock ...
Sagenite Agate - (Page)Sagenite Agate, or more accurately, Sagenitic Agate is any agate having acicular or needle like mineral or crystal growths, intersecting in a grid-like or grill-like manner. These hair like filame ...
Illinois Rocks and Minerals - (Page)Illinois is not known for producing many gemstones or minerals. But Illinois was the leading producer of fluorite in the United States for many years, and the mineral was named the official state mi ...
Metaphysical Defintion and Healing Crystals - (Page)Metaphysical Meanings on Rocks, Crystals and Minerals What is metaphysics? Metaphysics is the branch of philosophy that investigates principles of reality transcending those of any particular ...