Benitoite - Wikipedia
Benitoite (/ b ə ˈ n iː t oʊ aɪ t /) is a rare blue barium titanium cyclosilicate mineral, found in hydrothermally altered serpentinite. It forms in low temperature, high pressure environments typical of subduction zones at convergent plate boundaries .
Benitoite: Discovery, Geology, Properties, Mine, Gemstones
Benitoite is an extremely rare mineral that is best known for being the official state gemstone of 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).
Benitoite : The Rarest Gemstone Found in the World only been …
2019年10月5日 · Benitoite is a rare minerals best known to be the official Californian state gemstone. It is a barium titanium silicate mineral, typically of a blue color, found in hydrothermal rocks with a chemical composition of Ba Ti (Si 3O9). It is an extremely rare rock.
The Mineral benitoite - The Mineral and Gemstone Kingdom
Benitoite is cherished by collectors as a rare and valuable mineral. It is also cut as as an exquisite rare gemstone. The only significant locality for Benitoite is the Diablo Range, near the headwaters of the San Benito River, in the Southern tip of San Benito Co., California.
Benitoite: California's State Gem - California Department of …
Benitoite, a barium titanium silicate, can occur in rich blue crystals that are as striking and flawless as the finest sapphires. Gem quality benitoite is found only in a small area of San Benito County, California.
Benitoite Mine & Mineral Specimens - Trinity Mineral Company
Composition & Formation of Benitoite. The chemical formula for benitoite is BaTiSi3O9. The mineral is thought to have been derived from the surrounding wall rock during a phase of low temperature and high-pressure metamorphism which relates to a blueschist metamorphic facies.
Benitoite: The Rare and Beautiful Blue Gem » Geology Science
2024年12月19日 · Benitoite, a strikingly beautiful and rare gemstone, is celebrated for its vibrant blue hues and intriguing geological origin. First discovered in California, this gemstone has captivated mineral enthusiasts and gemologists alike. Its rarity and unique properties make it a subject of fascination in both geology and gemology.
Benitoite Gemstone: Properties, Meanings, Value & Mines - Gem …
2022年3月27日 · Benitoite (beh·nee·tow·ite) is a sapphire-blue to colorless gemstone from California, USA. Besides being the state’s official gemstone, benitoite is also famous for its extreme rarity and attractive sparkling qualities that rival (or exceed) even diamond.
Benitoite: Mineral information, data and localities. - mindat.org
Benitoite: Mineral information, data and localities. After the type locality, "as it occurs near the head waters of the San Benito River in San Benito County", California, USA. Benitoite Group. The titanium analogue of Pabstite. Related to Rogermitchellite. Visit gemdat.org for gemological information about Benitoite.
Historical Reading List: Benitoite - GIA
2020年6月22日 · Early in 1907 crystals of a rare mineral new to science, and subsequently named benitoite, were discovered in the Coast Ranges of California along the border of San Benito and Fresno counties at a locality in the New Idria Mining District about 100 miles southeast of San Francisco.
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