Benitoite gems
Автор: Max’s Gem Hunt
Загружено: 2024-08-24
Просмотров: 158
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Benitoite is a rare blue barium titanium silicate mineral, prized as a gemstone for its striking, sapphire-like blue color and high brilliance. Discovered in 1907 in California, it was named after its primary location, the San Benito River. Benitoite is typically found in a deep blue hue, though it can also appear in shades of white, pink, or violet. What makes it unique is its rarity and strong dispersion, which gives it a sparkling, fiery appearance. Due to its scarcity, gem-quality Benitoite is highly sought after by collectors and gem enthusiasts.
Benitoite's formation is linked to rare geological conditions, involving high-pressure, low-temperature hydrothermal processes in the earth's crust. It typically forms in association with minerals like neptunite and natrolite, within serpentine-hosted hydrothermal veins. These environments are often rich in barium and titanium, the key elements in Benitoite’s composition.
The gem was first discovered in 1907 by prospector James M. Couch in the San Benito Mountains of California. Couch initially thought the crystals were sapphires, but further analysis revealed that they were a previously unknown mineral. In 1909, geologists determined that it was a new mineral species, naming it "Benitoite" after its discovery location.
Benitoite’s scarcity and gem-quality make it particularly significant in the gem world. The Benitoite Gem Mine in California remains the only commercial source of the gemstone. Recognizing its importance, Benitoite was designated as the official state gemstone of California in 1985.
Historically, due to its rarity and beautiful color, Benitoite has become a prized collector's gemstone, with faceted stones being highly valuable.
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