Yellow Fluorite with Chalcopyrite DX3046

Yellow Fluorite with Chalcopyrite
Approx. Dimensions: 6 x 5 x 2.25 inches
Approx. Weight: 1174 grams
Locality: Bergmännisch Glück Mine, Frohnau, Annaberg-Buchholz, Erzgebirgskreis, Saxony, Germany

Acrylic stand and putty are not included. Acrylic mineral stands can be purchased separately in a variety of sizes from our Etsy shop.

From the famed Bergmännisch Glück Mine, this large fluorite specimen is an absolute beauty. The yellow cubes have a deep, rich color and are partially coated in chalcopyrite crystals. The fluorite overall is in excellent condition, with only one cube that has had a truncated corner. The specimen will fluoresce blue under a UV light (shown in last photo), and there is some sort of inclusion or impurity within the fluorite that causes some white fluorescence as well.

Fluorite is a colorful and highly prized mineral with the chemical composition of calcium fluoride (CaF₂). It is renowned for its wide range of vibrant colors and its well-formed crystal structures, making it a favorite among mineral collectors, lapidaries, and crystal enthusiasts.

One of the most distinctive features of fluorite is its remarkable fluorescence. Under ultraviolet (UV) light, fluorite often exhibits a vibrant glow in various colors, which is where its name originates. It comes from the Latin word "fluere," meaning "to flow," referencing its historical use as a flux in metal smelting.

Fluorite occurs in a variety of colors, including purple, green, blue, yellow, pink, and even colorless. Sometimes, multiple colors are found within the same specimen, creating beautiful banded or zoning patterns. The coloration is due to trace elements and impurities present during its formation. In addition to its fluorescent properties, fluorite can also display strong and interesting optical effects, such as chatoyancy (cat's eye effect) and asterism (star effect).

Apart from its aesthetic appeal, fluorite has practical applications in industry. It is used as a source of fluorine for various chemical processes, as well as in the production of hydrofluoric acid and aluminum. It's also utilized in the manufacture of optical lenses and prisms due to its low dispersion and ability to transmit light.

Metaphysically, fluorite is believed by some to have various properties, including aiding mental clarity, focus, and decision-making. It's thought to bring balance and harmony, both mentally and spiritually.

Fluorite can be found in various geological environments, often occurring in hydrothermal veins, as a gangue mineral in ore deposits, and sometimes as a component of sedimentary rocks. Its wide range of colors and unique properties contribute to its popularity among mineral enthusiasts and collectors, as well as its use in jewelry and ornamental objects.

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