• Benitoite - Wikipedia

    en.wikipedia.org/wiki/Benitoite Benitoite (/ b ə ˈ n iː t oʊ aɪ t /) is an extremely 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 ...
  • Benitoite: Discovery, Geology, Properties, Mine, Gemstones

    geology.com/gemstones/benitoite Benitoite and Neptunite Crystals: This specimen is a plate of translucent blue benitoite crystals and black neptunite crystals on a background of white natrolite. (This association is typical and an important characteristic of the mineral.) The crystals are about 2 centimeters in length and the plate measures about 15 x 11 x 2 centimeters in size.
  • Benitoite Value, Price, and Jewelry Information ...

    www.gemsociety.org/article/benitoite-jewelry-and-gemstone-information Comments. Declared the state gem of California in 1985, benitoite was discovered in 1907. 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. Further examination revealed it as a new gemstone.
  • Benitoite: The gemstone benitoite information and pictures

    www.minerals.net/gemstone/benitoite_gemstone.aspx Although Benitoite is a valuable and exquisite gemstone, its hardness as a gemstone is relatively low and it is therefore prone to scratching. Large crystals of Benitoite are very rare, and they are usually preserved as mineral specimens.
  • Benitoite - The California State Gemstone & Mineral Specimens

    www.benitoite.com/benitoite/index.shtml Welcome to Benitoite.Com.. If you have spent any time viewing any of my websites you know that I have a passion for BaTiSi 3 O 9 also known as Benitoite. This is the focus of my personal collection - benitoite from any global locality and mineral species from the Benitoite Gem mine.
  • Benitoite: Mineral information, data and localities.

    www.mindat.org/min-624.html Benitoite Group. The titanium analogue of Pabstite. Related to Rogermitchellite.
  • Benitoite Gem Mine, San Benito County, California – The ...

    collectorsedge.com/pages/benitoite-gem-mine INTRODUCTION: Benitoite is one of the world's rarest gemstones and possesses many uni que qualities compared to other gems. It has a high index of refraction and a dispersive power that is higher than diamond, making the stone extraordinarily bright and fiery when cut. Its color is usually a medium blue/violet, but can
  • Benitoite | Etsy

    www.etsy.com/market/benitoite You searched for: benitoite! Etsy is the home to thousands of handmade, vintage, and one-of-a-kind products and gifts related to your search. No matter what you’re looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options.
  • Capistrano Mining Company - Benitoite | Montana Sapphire

    capistranomining.com Capistranomining.com Specializing in American Mined Gemstones Benitoite, Montana Missouri River Sapphire and Oregon Sunstone. I specialize on 100% Untreated Natural Gems and Minerals Specimens of the United States, but I also carry many Worldwide specimens in addition to faceted gemstones, facet rough, Home mining packages and much more.
  • California State Gem Mine - The California State Gemstone ...

    www.calstategemmine.com After 100 years, the Benitoite Gem Mine is finally open and offering field trips to the public. Rock hounds, gem and specimen hunters, this is your chance to find one of the rarest and most desirable gemstones in the world! The California State Gemstone, Benitoite. Other rare gems and minerals include Neptunite, Joaquinite, djurleite, and Natrolite.