else For properties, see phosphate mineral (table). Specimens html += '\n\n\n'; Dbl Clk - Start-Stop Rotation Colloform - Forming from a gel or colloidal mass. Apatite definition, a common mineral, calcium fluorophosphate, Ca5FP3O12, occurring in individual crystals and in masses and varying in color, formerly used in … © Lou Perloff / Photo Atlas of Minerals, Mouse { The other two common minerals of the apatite group are chlorapatite and fluorapatite. Hexagonal apatite crystals are sometimes found in igneous and metamorphic rocks. Help on Above. "); printWin.print(); A relatively rare form of apatite in which most of the OH groups are absent and containing many carbonate and acid phosphate substitutions is a large component of bone material. Apatite is the main source of phosphate that is mined industrially . (Mason68). NajviÅ¡e ga ima u sedimentima - fosforitima. We strive for accurate content and locality information. Rn (renamed); the given reference is Burke (2008). { Beryl, tourmaline, quartz, olivin are some of these. Wikipedia Hydroxyapatite is the main component of tooth enamel and bone mineral. alert("Could not find the printReady section in the HTML"); Keyboard NAME( Duda&Rejl90) PHYS. 4) 3 (OH) is named apatite-(SrOH) and is marked as. Location: Nagar area, Gilgit district, Northern Areas, Pakistan. The apatite group minerals belong to the apatite super-group (Pasero et al., 2010) with a chemical formula of M1 2 M2 3 (TO 4) 3 X and include hexagonal and pseudohexagonal phosphates, arsenates, and vanadates containing the same dominant element in the M1 and M2 sites, and having P, V, or As in the T site. Warning: this large pop-up is very compute intensive and { alert("Sorry, the print ready feature is only available in modern browsers. Naturally occurring mineral form of calcium apatite with the formula Ca 5 (PO 4 ) 3 (OH), but it is usually written Ca 10 (PO 4 ) 6 (OH) 2 to denote that the crystal unit cell comprises two entities. General Apatite Information : Chemical Formula: Ca5(PO4)3(OH,F,Cl) Composition: Molecular Weight = 509.12 gm ... McDougall Minerals Google Search for Apatite Mineral News Website Link Rock and Mineral Shows Google Search for Apatite Weinrich Minerals, Inc. Google Search for Apatite. They are an important constituent of phosphorite, a rock mined for its phosphorus content and used to make fertilizers, acids, and chemicals. Apatite, the most common phosphate mineral, is generally described by the formula Ca 5 (PO 4) 3 (OH,F,Cl) or, more completely with regard to its usual description in P6 3 /m symmetry, by the unit cell content [Ca 4][Ca 6][(PO 4) 6][OH,F,Cl] 2.An earlier volume of the Reviews series (Kohn et al. Empirical Formula: Ca 5 (PO 4) 3 (OH) 0.33 F 0.33 Cl 0.33: Environment: Apatite is now a group name for a series of related minerals. } Apatite is the defining mineral for 5 on the Mohs scale. It is often green in color but can also be blue, or yellow. Apatit je vrsta minerala koji se na Mohsovoj skali nalazi pod brojem 5. Apatite (Ca5(PO4)3F, fluorapatite), used in the production of phosphate fertilizers and the production of salts of phosphoric acid and phosporous, a common mineral. The phosphorous in apatite (notice the "P" in the formula) makes this mineral family an important fertilizer. The vast majority of collector specimens are of the Fluorapatite type, thus the localities described here are generally for Fluorapatite. Ca(F, Cl) 2.As secondary admixtures apatite sometimes contains up to 10 percent oxides of manganese, strontium, or rare earth elements; less than 1 percent sodium, potassium, or barium frequently replaces part of the calcium. Apatite is mineral group with the following chemical formula applied to the most common members of the primary group (excluding the extended Apatite supergroup): Colorless, white, yellow, brown, gray, red, pink, purple, blue, green. Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. Minerali grupe apatita se javljaju u regionalno metamorfnim stijenama, a u mnogim stijenama dolaze kao minerali.Ima ga u pegmatitskim žilama, kao primarnog fluorofosfata. General Apatite-(CaOH) Information : Chemical Formula: Ca5(PO4)3(OH) Composition: Molecular Weight = 502.31 gm Calcium 39.89 % Ca 55.82 % CaO: Phosphorus 18.50 % P 42.39 % P 2 O 5: Hydrogen 0.20 % H 1.79 % H 2 O: Oxygen 41.41 % O: 100.00 % 100.00 % = TOTAL OXIDE Because apatite stone types are easily mixed with other minerals in appearance. var html = '\n\n'; The most common ones are fluoro-apatite, the lesser color apatite and the hydroxyl-apatite minerals. Drag1 - Manipulate Crystal Apatite is characteristic of biological systems. Name Origin: Named in 1788 from the Greek apatao - "I am misleading." } If you are requesting a locality be added, please only include. Plants need phosphorus to grow. beryl, milarite).Rammelsberg added the "Fluor-" prefix in allusion to the dominance of fluorine in the composition. Large opaque Apatite crystals, usually light blue in color, have come from Franklin, Ogdensburg (Sterling Hill), and Hamburg, all in Sussex Co., New Jersey; and across the state line in Amity, Orange Co., New York. Variety of the Apatite group where the phosphate radical (PO 4) is partially replaced by a carbonate radical (CO 3). Kemijska formula mu je Ca 5 (PO 4) 3 (F,Cl,OH). Geological apatite, which is the most abundant phosphate mineral in the Earth's crust, typically has various proportions of OH −, F −, and Cl − within the channel site , . Renamed in 1860 from the original apatite of Abraham Werner by Carl F. Rammelsberg to emphasize the chemical composition. if (gAutoPrint) It can form large crystals in contact metamorphic rocks. It is a common phosphate mineral. Named in 1788 from the Greek apatao - "I am misleading. howlite). It is a brittle material. As this mineral is very common, only the most important of Apatite localities are described here. Ask-A-Mineralogist from the Mineralogical Society of America The Acushnet Quarry in Bristol Co., Massachusetts, produces an aesthetic association of transparent Apatite associated with sparkling dark. Apatite is the name given to a group of phosphate minerals that are widely distributed in all rock types, usually in tiny crystals spread throughout the host rock. It has a chemical formula of Ca 5 (PO 4,CO 3) 3 (OH,F). { 1 Mine, Groton, Grafton Co. RMB - Cycle Display Modes These minerals are all calcium phosphates, differing from one another chemically only in that fluorapatite contains fluorine; chlorapatite, chlorine; hydroxylapatite, a hydroxyl (OH) group; and carbonate-apatite, a carbonate (CO 3) group. The mineral with ideal formula Sr. 5 (PO. I - Indicies Much bone material is in a relatively rare form of apatite. Apatite is a common name for three groups of minerals. Lead apatite is the name used in this paper to describe minerals of general formula M 5 (PO 4) 3 X, where M is either Pb 2+ or a mixture of Pb 2+ and one other cation such as Ca 2+ and X is a monovalent anion such as OH − or Cl −. if (printReadyElem != null) gr. It breaks by both fracture and cleavage, but the cleavage is generally indistinct. Apatite Treatments; Some violet apatite turns green on exposure to radium (Przibram and Caffyn, 1956) and violet apatite which has lost its color from heating (perhaps to 500°C) is turned partly green and partly violet; there is no effect of electrons and only a minor effect of X-rays on some yellow and green specimens (Pough and Rogers, 1947; Pough, 1957) – Nassau (1984) Apatite hand-specimen Formula: Ca 5 (PO 4 ) 3 (OH, F, Cl) Apatite is from the Greek ἀπατάω (apatao), to deceive, as apatite was often confused with other minerals (e.g. Drag2 - Resize Apatite is the most common phosphate mineral, and is the main source of the phosphorus required by plants. However, most of the fine crystals and collector specimens are of the, Important Apatite localities in Europe include Ehrenfriedersdorf, in the Erzgebirge, Saxony, Germany, a classic locality which is also the, Deep blue crystals come from Sludyanka, in Lake Baikal area, Russia; and interesting forms, especially, In New Hampshire, Apatite was found in the Palermo No. Massive - Granular - Common texture observed in granite and other igneous rock. Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. Chlorapatite and carbonate-apatite are comparatively rare. ", a = 9.38, c = 6.89, Z = 2; V = 525.00 Den(Calc)= 3.22. Ask about Apatite here : Also known as Carbonate-rich Apatite. Mineral Discussion Forum from Fabre Minerals - also available in Hydroxyl endmember of the complex apatite group. html += headTags[0].innerHTML; (Mason68) OPTIC PROP. var printReadyElem = document.getElementById("printReady"); urchinTracker(); Print or Cut-and-Paste your Apatite Specimen Label here : assumed that each mineral is electrically neutral and that the positive charges }, University of Colorado - Mineral Structure Data. "Apatite" is a field term for unidentified calcium phosphate members of the apatite group. Specimens with excellent clarity and color are sometimes cu… Apatite has a relatively consistent hardness and serves as the index mineral for a hardness of five in the Mohs Hardness Scale. Apatite is the defining reference mineral for 5 on the Mohs scale of hardness. Comments: Pink, colliform carbonate-fluorapatite on matrix. Apatite Mineral Facts: Chemical Formula: Ca 5 (PO 4) 3 (OH,F,Cl) Phosphate and fluoride of calcium, or phosphate and chloride of calcium ; the first being fluorapatite, Ca 5 (PO 4) 3 (F), the second chlorapatite, Ca 5 (PO 4) 3 (Cl).Usually some amounts of both chloride and fluoride are present together. Most "apatite" is fluorapatite, whereas hydroxylapatite is much less common and chlorapatite is very rare. © Dan Weinrich, Apatite   Robertsite   Carbonate-hydroxylapatite, Comments: Black crystals of Robertsite on pink carbonate-hydroxylapatite. Name Pronunciation: Apatite : Synonym: printWin.document.close(); Rockhounds Discussion Group on Yahoo Groups The mineral apatite was named after the Greek word for deceit, due to its ability to show in many crystal forms and shapes, some of these effects are due to enrichments of different elements within the structure . Phosphorus was previously extracted from. Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Uniaxial (-), e=1.63, w=1.633, bire=0.0030. may not work well with some computers. The bones and teeth of most animals, including humans, are composed of calcium phosphate, which is the same material as Apatite. Scale: Not Given. Chemistry: Ca5(PO4)3(OH,F,Cl), Calcium (Fluoro, Chloro, Hydroxyl) Phosphate Class: Phosphates; Group: Apatite; Uses: as a source of phosphorous to be used in fertilizer, rarely as a gemstone and as a mineral specimen. © Lou Perloff / Photo Atlas of Minerals, Apatite   Apatite-(CaF)   Beryl   Muscovite, Comments: Pink crystals of fluorapatite with pale blue beryl (aquamarine) on books of muscovite crystals. Español - Start-Stop Rotation var headTags = document.getElementsByTagName("head"); 1) Specimens from certain localities will, Rare, strontium-rich variety of Apatite, with the calcium partially, Apatite is the main source of phosphorus. var gAutoPrint = true; // Flag for whether or not to automatically call the print function Beautiful pink and purple crystals with excellent transparency have come from the Foote Mine, Kings Mountain, Cleveland Co., North Carolina. It hardness defines 5 on the Mohs scale. { } The series includes fluorapatite (the most important mineral commercially), chlorapatite, hydroxylapatite, and carbonate-apatite. Much bone material is in a relatively rare form of apatite. Hammers, Chisels, Loupes, Cotton-filled boxes, etc. else Original Rockhounds Discussion Group if (document.getElementById != null) Apatite is found in small amounts in all kinds of rocks--from those cooled from boiling lava to those formed from compacted grains of sand. { Scale: Size Not Given. F - Fit to Screen apatite A widely distributed phosphate mineral, with the formula Ca 5 (PO 4) 3 (F,Cl,OH); sp. Apatite is an outstanding treasure whenever precisely cut although it is simply too soft for jewellery settings that are most. var printWin = window.open("","printSpecial", 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width=350,height=350'); if (headTags.length > 0) Location: Tip Top mine, Custer, Custer County, South Dakota, USA. printWin.document.open(); It hardness defines 5 on the Mohs scale. } It is the mineral that makes up tooth enamel in all vertebrate animals. If you feel any of the content is incorrect, or if you feel we are missing vital locality information, please fill out the form below so we can update the site. THE MINERAL APATITE. function printSpecial() _uacct = "UA-3067463-1"; IMA Status: Not Approved IMA : Locality: Common world wide. Green Apatite has been called stone that is asparagus a bluish-green variety of Apatite originally found in Arendal, Norway was called moroxite. Our Recommended Book Selection at Amazon.com, Financial Donations and Collection Acquisitions, The Mineral Gallery (Amethyst Galleries)-Apatite, The Mineral Gallery (Amethyst Galleries)-Fluorapatite, Mineralogy Database (David Barthelmy)-Apatite, Mineralogy Database (David Barthelmy)-Fluorapatite. S - Stereo PROP. It can be difficult to distinguish between individual members of the primary Apatite group. © Copyright 1997 - 2020 Hershel Friedman and Minerals.net, all rights reserved. return; M - Menu (Mineral group name), from Greek for to deceive, because the gem varieties were confused with other minerals. quartz). } html += '\n\n'; Link to MinDat.org Location Data. It is one of a few minerals produced and used by biological micro-environmental systems. Apatite is now a group name for a series of related minerals. A designation of the specific Apatite type is not usually made, being called simply "Apatite" by collectors and dealers. Hydroxyapatite is the main component of tooth enamel and bone mineral. if (document.getElementsByTagName != null) Apatite is the name of a group of phosphate minerals with similar chemical compositions and physical properties. Scale: 3 x 3 cm. Apatite is a member of a group of structurally related minerals having compositions symbolized A 5 (BO 4) 3 X, in which A is a metal, commonly calcium or lead; … html += printReadyElem.innerHTML; Some specimens are multicolored. Mindat.org's Discussion Groups Apatite is characteristic of biological systems. Hydroxyapatite, also known as hydroxylapatite, is the major component of tooth enamel and bone mineral. printWin.document.write(html); It is one of a few minerals produced and used by biological micro-environmental systems. , thus the localities described here the phosphorous in apatite ( notice the `` ''... Asparagus a bluish-green variety of the fluorapatite type, thus the localities described here the component. Reference apatite mineral formula for a series of related minerals mineral is very compute and. The specific apatite type is not usually made, being called simply `` ''... 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Important of apatite lesser color apatite and the hydroxyl-apatite minerals family an fertilizer! A hardness of five in the formula ) makes this mineral family an important fertilizer formula! Of phosphate that is asparagus a bluish-green variety of apatite, but the cleavage is generally indistinct mined! Mineral, and is the main component of tooth enamel and bone mineral, from for. Produces an aesthetic association of transparent apatite associated with sparkling dark for fluorapatite Tip Top mine, County! Crystals of Robertsite on pink Carbonate-hydroxylapatite is from the Greek apatao - I. Called apatite mineral formula that is asparagus a bluish-green variety of the apatite group where the phosphate radical ( CO 3.. 5 ( PO 4 ) is named apatite- ( SrOH ) and is the major component of tooth and... Pink and purple crystals with excellent transparency have come from the Greek ἀπατάω ( apatao ) chlorapatite... Carl F. Rammelsberg to emphasize the chemical composition for jewellery settings that are most deceive, as apatite stone! Important mineral commercially ), from Greek for to deceive, because the gem varieties were with. Forming from a gel or colloidal mass ( the most common ones are fluoro-apatite, the lesser color apatite the... Je vrsta minerala koji se na Mohsovoj skali nalazi pod brojem 5 hardness of five the. Ima Status: not Approved ima: Locality: common world wide although is... Dominance of fluorine in the Mohs Scale of hardness, Pakistan massive - Granular - common texture in... Werner by Carl F. Rammelsberg to emphasize the chemical composition Mohs hardness Scale bone mineral metamorphic rocks apatite has called! Few minerals produced and used by biological micro-environmental systems: Tip Top mine, Custer County, South Dakota USA! Rammelsberg to emphasize the chemical composition named apatite- ( SrOH ) and is the main component of tooth enamel all... Material is in a relatively rare form of apatite localities are described here are generally for fluorapatite: Approved. = 9.38, c = 6.89, Z = 2 ; V = 525.00 Den ( )... '' in the formula ) makes this mineral is very common, only the most important of localities. Formula mu je Ca 5 ( PO 4 ) 3 ( OH ) is named apatite- ( SrOH and... Serves as the index mineral for 5 on the Mohs hardness Scale of Ca 5 ( PO 4 apatite mineral formula! The vast majority of collector specimens are of the phosphorus required by plants ( renamed ;! Compute intensive and may not work well with some computers replaced by a carbonate radical ( CO 3.. Robertsite Carbonate-hydroxylapatite, Comments: Black crystals of Robertsite on pink Carbonate-hydroxylapatite which is the main of. On pink Carbonate-hydroxylapatite only the most important of apatite originally found in Arendal, Norway was called moroxite properties... To deceive, because the gem varieties were confused with other minerals in appearance ``. 2020 Hershel Friedman and Minerals.net, all rights reserved a relatively rare form of apatite crystals in contact metamorphic.... From Greek for to deceive, as apatite was often confused with other minerals jewellery settings are. Very rare may not work well with some computers, Massachusetts, produces an aesthetic association of transparent associated! District, Northern Areas, Pakistan ones are fluoro-apatite, the lesser color apatite and the hydroxyl-apatite minerals texture in... Chemical composition Mohsovoj skali nalazi pod brojem 5 teeth of most animals, including humans, are composed of phosphate! Pop-Up is very rare hexagonal apatite crystals are sometimes found in Arendal, Norway was called.. In 1860 from the Greek apatao - `` I am misleading. is generally indistinct, Comments Black., a = 9.38, c = 6.89, Z = 2 ; V = 525.00 Den Calc...