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titanite aka sphene mineral formula

titanite aka sphene mineral formula

Titanite Mineral Data

PE Titanite = 27.56 barns/electron U=PE Titanite x r electron = 95.53 barns/cc. Radioactivity: GRapi = 3,805.78 (Gamma Ray American Petroleum Institute Units) Concentration of Titanite per GRapi unit = 262.76 (PPM) Titanite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

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Titanite - Wikipedia

Titanite, or sphene (from the Greek sphenos (σφηνώ), meaning wedge), is a calcium titanium nesosilicate mineral, Ca Ti Si O 5.Trace impurities of iron and aluminium are typically present. Also commonly present are rare earth metals including cerium and yttrium; calcium may be

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Category: nesosilicate

Titanite (sphene): The mineral Titanite information and .

Titanite is frequently called by the name Sphene, which was the more popular term for this mineral prior to 1982. In 1982, the IMA adopted the official name as Titanite and discredited Sphene. The name Sphene is still frequently used, especially in Europe.

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Titanite Mineral | Physical - Optical Properties .

Titanite, or sphene , which means wedge, is a calcium titanium nesosilicate mineral, CaTiSiO5.Trace impurities of iron and aluminium are generally gift. Also normally present are rare earth metals which includes cerium and yttrium; calcium can be partly replaced by thorium.Titanite is a unprecedented titanium mineral that happens as an accessory mineral in granitic and calcium-wealthy .

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Author: Geology Science

Titanite - The Sphene

Historically, the mineral was more commonly referred to as sphene until 1982, when a naming commission of the International Mineralogical Association adopted the name titanite and discredited the name sphene. Half of the envelope shaped titanite crystal from Mirosov, Czech Republic. Size: 4 x 3 mm. Photo: Vitezslav Snasel

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Titanite the mineral. Sphene the gemstone. - Geology

Sphene continues to be the name used for titanite in the gem and jewelry industries. It is a minor gemstone that is popular with collectors because of its high dispersion. Sphene is one of the few minerals with a dispersion higher than diamond. The dispersion of diamond is 0.044, while the dispersion of sphene is 0.051.

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Titanite - The Sphene

Historically, the mineral was more commonly referred to as sphene until 1982, when a naming commission of the International Mineralogical Association adopted the name titanite and discredited the name sphene. Half of the envelope shaped titanite crystal from Mirosov, Czech Republic. Size: 4 x 3 mm. Photo: Vitezslav Snasel

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Sphene: The gemstone sphene (titanite) information and .

Sphene is the gemstone name of the mineral Titanite.Sphene is known for its exceptional dispersion, resulting in gemstones that show brilliant fire.The dispersion of Sphene exceeds even that of Diamond.However, the relatively low hardness of Sphene inhibits its use as a mainstream gemstone.

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Sphene (Titanite) Value, Price, and Jewelry Information .

Sphene or titanite belongs to the titanite mineral group as the titanium-rich (Ti) member. It’s the only member of this group commonly used as a gemstone. While mineralogists officially use the term titanite to refer to this stone, many gemologists use the term sphene.

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Titanite the mineral. Sphene the gemstone. - Geology

Sphene continues to be the name used for titanite in the gem and jewelry industries. It is a minor gemstone that is popular with collectors because of its high dispersion. Sphene is one of the few minerals with a dispersion higher than diamond. The dispersion of diamond is 0.044, while the dispersion of sphene is 0.051.

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Sphene aka Titanite Meaning & Use: Boosts Mental Ability .

Sphene also known as Titanite. Aids Mental Ability & Accelerates Your Learning. Written By Liz Oakes. Sphene is also known as Titanite and is an excellent crystal to aid you to think more clearly. Its vibration will stimulate you mentally and may enhance your creativity.. It will help you to absorb new information and is useful to accelerate your learning.

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Titanite (Sphene) - gemdat.org

The mineralogical name Titanite comes from its titanium contents. It is also known as Sphene, from Greek word for "wedge", referring to the typical crystal shape of this mineral. Transparent specimens are noted for their strong trichroism, the three colours depend on the base stone colour.

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Titanite definition and meaning | Collins English Dictionary

Titanite definition: → sphene | Meaning, pronunciation, translations and examples

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Titanite | Wiki | Everipedia

Titanite, or sphene (from the Greek sphenos (σφηνώ), meaning wedge [2] ), is a calcium titanium nesosilicate mineral, Ca Ti Si O 5 . Trace impurities of iron and aluminium are typically present. Also commonly present are rare earth metals including cerium and yttrium; calcium may be

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Sphene | Housekihime Wiki | FANDOM powered by Wikia

In traditional Hindu belief systems, sphene is associated with the Ajna chakra; also known as the third eye. Sphene represents immutable, pinnacle and tactics. Titanite, or sphene (from the Greek sphenos (σφηνώ), meaning wedge), is a calcium titanium nesosilicate mineral, CaTiSiO5. Trace impurities of iron and aluminium are typically present.

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Titanite Mineral Specimen For Sale - Dakota Matrix Minerals

Titanite - A very thin, glassy bottle-green Titanite crystal. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals.

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Sphene: Mineral information, data and localities.

Sphene mineral data, information about Sphene, its properties and worldwide locations. . Formula: CaTi(SiO 4)O. Name: From the Greek sphenos (σφηνώ), meaning wedge, in allusion to the often wedge-shaped crystal morphology. Synonym: A synonym of Titanite. Visit gemdat.org for gemological information about Sphene. Hide all sections | Show .

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Sphene | Definition of Sphene at Dictionary

Sphene definition, a mineral, calcium titanium silicate, CaTiSiO5, occurring as an accessory mineral in a variety of crystalline rocks, usually in small wedge-shaped crystals. See more.

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Titanite Structures - University of Colorado Boulder

Mineral Structure Data. Titanite Group. The titanite group is composed of the minerals titanite (sphene) (CaTiSiO 5) and malayaite (CaSnSiO 5) The crystal structure of titanite. End-Member Titanite Malayaite Formula CaTiSiO 5 CaSnSiO 5. Form.Wt .

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titanite - Wikidata

nesosilicate mineral. sphene; Statements. instance of. mineral species. 1 reference. stated in. The IMA List of Minerals (November 2018) . chemical formula. CaTiSiO₅ . sphene-titanite. 0 references . Sitelinks. Wikipedia (34 entries) edit.

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Titanite Structures - University of Colorado Boulder

Mineral Structure Data. Titanite Group. The titanite group is composed of the minerals titanite (sphene) (CaTiSiO 5) and malayaite (CaSnSiO 5) The crystal structure of titanite. End-Member Titanite Malayaite Formula CaTiSiO 5 CaSnSiO 5. Form.Wt .

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titanite - Wikidata

nesosilicate mineral. sphene; Statements. instance of. mineral species. 1 reference. stated in. The IMA List of Minerals (November 2018) . chemical formula. CaTiSiO₅ . sphene-titanite. 0 references . Sitelinks. Wikipedia (34 entries) edit.

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Sphene Gemstone Information - GemSelect

Sphene is a very rare brilliant yellowish-green, green, orange or brown gemstone with a high luster, also known as "titanite" due to its titanium content. The name "sphene" comes from the Greek word, "sphen", meaning "wedge", which alludes to the formation of its crystals. Due to its high dispersion, when brilliant-cut, sphene can exhibit a fire similar to that of diamond.

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Geo-pic of the week: Titanite | Arkansas Geological Survey .

Jun 23, 2017 · (FOV approx. 2 mm, photo courtesy of Stephen Stuart) The wedge-shaped crystal in the photo above is the mineral titanite. This calcium titanium silicate (formula CaTiSiO5) is commonly found as an accessory mineral in igneous intrusions similar to those present at 3M and Granite Mountain quarries near Sweet Home. This sample was collected from 3M

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Sphene - The Full Wiki

SPHENE, a mineral consisting of calcium titano-silicate, CaTiSiO 5, crystallizing in the monoclinic system. The crystals vary considerably in habit, but are generally thin and wedgeshaped; hence the name sphene, from the Greek v¢iv (a wedge), given by R. J. Haiiy in 1801.The earlier name titanite, given by M. H. Klaproth in 1795, is also in common use.

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Titanite | Article about Titanite by The Free Dictionary

(also sphene), a silicate mineral having an isolated arrangement of SiO 4 tetrahedrons and a chemical formula of CaTiO[SiO 4].Titanite contains admixtures of Fe 2+ and Fe 3+ and has up to 12 percent (Ce, Y) 2 O 3 (in keilhauite, a variety of titanite), Mn, Sn, Nb, and Cr. Crystallizing in the monoclinic system, titanite generally forms separate crystals in the form of flattened prisms having a .

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Titanite | Etsy

You searched for: titanite! 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. Let’s get started!

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Titanite (a.k.a Sphene) U-Pb Ages and Trace Element .

Titanite. Titanite can be analyzed for U-Pb ages as well as for trace element compositions. Unlike zircon, common-Pb, titanites generally have very low uranium concentrations (<200 ppm) and can have significant proportions of non-radiogenic inherited Pb (i.e., common Pb).

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Sphene Gemstone Buying Guide - Natural Gemstones

In 1982, the International Mineralogical Association Commission on New Minerals and Mineral Names (CNMMN) decided to use the name “titanite” rather than “Sphene”. However, both “Sphene” and “titanite” continue to be recognized in mineralogy circles, Sphene

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Sphene dictionary definition | sphene defined

sphene definition: a variously colored mineral, CaTiSiO, that is an ore of titanium; calcium titanium silicateOrigin of spheneFrench sphène from Classical Greek sph?n, a wedge (for Indo-European base see spoon): so named from the shape of its crys.

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Sphene Mineral Information, photo and gem Facts

The name Sphene comes from a Greek word meaning wedge - in allusion to a characteristic development of the crystals. Uses: Sphene is mined on the Kola Peninsula in Russia as an ore of Titanium. In some cases when the mineral is sufficiently transparent, sphene has

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Titanite (Sphene) : ClassicGems.net

Titanite (Sphene) gem information. Information about Titanite (Sphene) and its properites. Titanite (Sphene) gems for sale.

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Sphene aka Titanite - DISCOVER LIFE'S PRECIOUS GEMS!

Jul 30, 2015 · Sphene (aka titanite) is a rare gemstone with lots of brilliance and shine. Its colors range from bright yellow-green, green, orange and brown. When this mineral is cut a certain way (brilliant cut), it can exhibit a fire similar to diamonds. The chemical composition of sphene is CaTiSiO5 (calcium, titanium, silicon and lots of oxygen).

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titanite definition | English definition dictionary | Reverso

sphene n a brown, yellow, green, or grey lustrous mineral consisting of calcium titanium silicate in monoclinic crystalline form. It occurs in metamorphic and acid igneous rocks and is used as a gemstone. Formula: CaTiSiO5, (Also called) titanite (C19: from French sphène, from Greek sphen a wedge, alluding to its crystals)

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