Blue Aragonite Agate Pyrite formations tend to be

Pyrite formations tend to be shiny and metallic

and blues as well as the more commonly encountered clear or pale white

the Creede Quadrangle in Colorado

Fluorite is one of the most variable of all crystalline minerals

high shine mica and range in hue from nearly clear to classic sea green to deep blue

Blue Aragonite Agate Pyrite formations tend to beAragonite is an incredibly variable mineral, and the second most common form of Calcium Carbonate on Earth. Pure Aragonite is typically colorless or white, but chemical impurities can turn it into a range of spectacular colors. These specimens are a beautiful sky blue with fine crystalline surface in unique whorls or spherical shapes throughout.