Blue Aragonite Agate with texture ranging from velvety

with texture ranging from velvety and dark to rugose and sparkling

petrified wood can display an enormous variety of colors

Originating from the famed Green River Formation in Wyoming

Fluorite is one of the most variable of all crystalline minerals

Blue Aragonite Agate with texture ranging from velvetyAragonite 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.