Further examination revealed it as a new gemstone. This is the focus of my personal collection benitoite from any global locality and mineral species from the benitoite gem mine. It is a relatively new gemstone and was first discovered in 1907. 5 out of 5 stars 10 10 reviews 161 00 free shipping favorite add to cushion cut 9 70 ct arkansas blue benitoite eye clean gemstone 100 natural agi certified y6651 risingsungemsdesign. Benitoite b ə ˈ n iː t oʊ aɪ t is a rare blue barium titanium cyclosilicate found in hydrothermally altered serpentinite it forms in low temperature high pressure environments typical of subduction zones at convergent plate boundaries benitoite fluoresces under short wave ultraviolet light appearing bright blue to bluish white in color the more rarely seen clear to white.
It is a barium titanium silicate mineral usually blue in color that is found in rocks that have been altered by hydrothermal metamorphism its chemical composition is bati si 3 o 9. A couple of other regions where the stone is found does not have gem quality crystals of benitoite. Natural benitoite gemstone custom faceted light blue gem round faceting design bestcutgems. Declared the state gem of california in 1985 benitoite was discovered in 1907. Benitoite s identification and original description was based upon specimens.
Benitoite is a rare gemstone and for all practical purposes only comes from a single limited deposit in california. Benitoite is an extremely rare mineral that is best known for being the official state gemstone of california. Benitoite gemstones have a sapphire blue color and can have very good transparency and luster. At first opinions about the material s identity ranged from volcanic glass to spinel and due particularly to its color sapphire however the stone s greater dispersion and birefringence values distinguished it from sapphire. This is what makes it so rare and valuable.
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This is what makes it so rare and valuable. Benitoite is a rare gemstone and for all practical purposes only comes from a single limited deposit in california. It is a barium titanium silicate mineral usually blue in color that is found in rocks that have been altered by hydrothermal metamorphism its chemical composition is bati si 3 o 9. Further examination revealed it as a new gemstone.
