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highly variable Chalcedony spheres are almost geode-like in appearance and one can clearly see the process of geode or agate formation in progress in each specimen
and is one of the more common gems although pieces of exceptional hue and clarity are considered fairly rare and can be extremely valuable
Colored fluorite clusters atop candle quartz bases are some of the most distinctive mineral specimens to originate from the mines of Inner Mongolia
Their unique elongated and heavily armored bodies along with their tube-like snouts make pipefish
Fluorite Cubes on Matrix Tanzanite highly variable Chalcedony spheres areFluorite 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
