Fluorite Aquamarine vast shoals of freshwater fish

vast shoals of freshwater fish inhabited a large shallow inland sea across the American West

Each contains at least one (most several) clearly visible insect

These remarkable yellow fluorite crystals originate from China and range in color from rich honey to pastel gold

These highly variable pieces contain Fluorite crystal clusters within different matrixes

and the second most common form of Calcium Carbonate on Earth

Fluorite Aquamarine vast shoals of freshwater fishFluorite is one of the most variable of all crystalline minerals, occurring in shades of blue, green, purple, red and many other colors corresponding to their physical makeup and conditions when the mineral was formed. The name fluorite comes from its use as a flux, or chemical cleaning agent, in iron smelting and other metallurgy. Pure fluorite is clear, but most specimens have vivid color due to various impurities and are often fluorescent. With a