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phospate apatite

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Apatite and Rock Phosphate | Nova Mining

apatite and rock phosphate Apatite is the most abundant crystalline phosphate mineral found as an accessory mineral in practically all kinds of igneous rocks. Sometimes it is concentrated in pegmatites, metallic veins and magmatic deposits.

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UpToDate

The two forms of calcium phosphate include apatite (sometimes reported as carbonate apatite), which is the crystal type found in bone, or calcium hydrogen phosphate (brushite); the frequency of apatite is much greater than brushite. Calcium phosphate crystals in …

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Phosphate Deposits - USGS

leaching. Phosphate leached from guano phosphatizes the underlying rocks in some areas, forming apatite where the host rock is limestone and forming aluminum- or aluminum-iron-phosphate minerals where the underlying rock is a silicate. Individual deposits of both igneous apatite and marine phos­

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phosphorus mining apatite

 · Apatite . Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, with high concentrations of OH, F and Cl ions, respectively, in the crystal.

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Control of phase composition in hydroxyapatite ...

Among the calcium phosphate compounds, hydroxyapatite [Ca 10 (PO 4) 6 (OH) 2, HA] is the most stable phase in the body fluid and is very similar to the calcium phosphate crystals that comprise hard tissues such as bone and teeth.

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Apatite | mineral | Britannica.com

Apatite: Apatite, any member of a series of phosphate minerals, the world's major source of phosphorus, found as variously coloured glassy crystals, masses, or nodules. If not for its softness (Mohs hardness 5, compared with the 7 to 9 of most gems), apatite would be …

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Geochemistry of Uranium in Apatite and Phosphorite

THE GEOCHEMISTRY OF URANIUM IN APATITE AND PHOSPHORITE By Z. S. ALTSCHULEK, K. S. CLAKKE, JR., and E. J. YOUNG ABSTRACT Apatite contains only traces of uranium, yet as apatite is a minor constituent in most rocks and the major constituent of a few very large deposits, it accounts, paradoxically, for both

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Apatite - an overview | ScienceDirect Topics

Apatite (Ca 5 (F, Cl, OH) (PO 4) 3) is a group of phosphate minerals, usually referring to hydroxyapatite, fluorapatite, chlorapatite and bromapatite, named for high concentrations of OH −, F −, Cl − or Br − ions, respectively, in the crystal.

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Tribasic calcium phosphate | Ca5HO13P3 - PubChem

Tribasic calcium phosphate is the mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis.

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Calcium phosphate - Wikipedia

Calcium phosphate is a family of materials and minerals containing calcium ions (Ca 2+) together with inorganic phosphate anions. Some so-called calcium phosphates contain oxide and hydroxide as well. They are white solids of nutritious value.

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The Versatile Apatite Mineral Group - Thermo Fisher Scientific

The Versatile Apatite Mineral Group Apatite refers to a group of phosphate minerals which includes fluorapatite, chlorapatite, hydroxylapatite, carbonate-rich apatite, and francolite, the most common of which is fluorapatite.

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process of phosphate apatite

Hydroxyapatite, also called hydroxylapatite, alkali type calcium phosphate, calcium is apatite (Ca5 (PO4) (OH) 3) natural mineralized.OH - base can be fluoride, chloride and carbonate ions, generate fluorine apatite or chloride matrix apatite, the calcium ions can be a variety of metal ions by ion exchange reaction, form the.

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Phosphate Rock | Mosaic Crop Nutrition

Phosphate rock comes from geologic deposits located around the world. Its main constituent is apatite, a calcium phosphate mineral primarily extracted from sedimentary marine deposits, with a small amount obtained from igneous sources.

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Apatite - definition of apatite by The Free Dictionary

Apatite occurs as hexagonal crystals in igneous, metamorphic, and sedimentary rocks, and is used as a source of phosphate for making fertilizers. It is the mineral used to represent a …

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Apatite: Apatite mineral information and data.

"Apatite" is a field term for unidentified calcium phosphate members of the apatite group. Most "apatite" is fluorapatite, whereas hydroxylapatite is much less common and chlorapatite is very rare.

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Apatite and Rock Phosphate | Phosphate | Fertilizer

APATITE AND ROCK PHOSPHATE. 14 Apatite and Rock Phosphate patite is the most abundant crystalline phosphate mineral found as an accessory mineral in practically all kinds of igneous rocks. Sometimes, it is concentrated in pegmatites, metallic veins and magmatic deposits.

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Apatite Gemstones - GemSelect

Apatite-rich rock is also the most important source of phosphorus in the world. Phosphorus is an essential chemical in phosphate fertilizers. Phosphorus is also widely used in explosives, fireworks, pesticides, toothpaste and detergents.

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Apatite - Most People Make these Common Mistakes…

Apatite Properties. Apatite is a calcium phosphate and quite a rare tourmaline variety. It comes in many colors and forms, and it's often confused with many other minerals, such as Aquamarine and Fluorite. Apatite can be opaque, translucent, or transparent.

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Properties of Apatite - CrystalBenefits

Apatite, the most common phosphate mineral is a member of the Apatite group (isomorphous hexagonal mineral group) and usually appears in blue or green shade. However, the color ranges from colorless, white, yellow to red, brown, pink or purple.

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Phosphate Minerals - Soil Science at UW-Madison

In reality, the existence of 49 known calcium phosphates, 14 magnesium phosphates, 49 aluminum phosphates, and 51 iron phosphates (and some contain one or more of these cations) points to the complexity of the chemistry of phosphate minerals in soils and it is dubious that any fertilizer reaction species or series is more than illustrative.

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Calcium Hydroxyapatite Deposition Disease | Bone and Spine

Calcium hydroxyapatite deposition disease is a condition where there is deposition of calcium phosphate crystals, mainly hydroxyapatite in the soft tissues around the joint especially tendons. Calcific tendinitis is the term given to it in the shoulder when …

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Calcium Phosphate Precipitation in Wastewater Treatment

Magnesium appears to inhibit the nucleation of calcium phosphate, to slow down the formation of apatite from amorphous calcium phosphate, and to stabilize the formation of tricalcium phosphate. It also tends to interfere with the precipitation of calcium carbonate.

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Apatite: The mineral apatite information and pictures

Apatite is the most common phosphate mineral, and is the main source of the phosphorus required by plants. The bones and teeth of most animals, including humans, are composed of calcium phosphate, which is the same material as Apatite.

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process of phosphate apatite

Hydroxyapatite, also called hydroxylapatite, alkali type calcium phosphate, calcium is apatite (Ca5 (PO4) (OH) 3) natural mineralized.OH - base can be fluoride, chloride and carbonate ions, generate fluorine apatite or chloride matrix apatite, the calcium ions can be a variety of metal ions by ion exchange reaction, form the.

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Mineral Resource of the Month: Phosphate Rock | EARTH Magazine

As a mineral resource, "phosphate rock" is defined as unprocessed ore and processed concentrates that contain some form of apatite, a group of calcium phosphate minerals that is the primary source for phosphorus in phosphate fertilizers, which are vital to agriculture.

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Apatite dictionary definition | apatite defined

Impurities.-The properties of iron and steel, like those of most of the metals, are profoundly influenced by the presence of small and sometimes extremely small quantities of certain impurities, of which the most important are phosphorus and sulphur, the former derived chiefly from apatite (phosphate of lime) and other minerals which accompany ...

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Apatite and Rock Phospate | Fertilizer | Rock (Geology)

APATITE AND ROCK PHOSPHATE 1 Apatite and Rock Phosphate A patite is the most abundant crystalline phosphate mineral found as an accessory mineral in practically all kinds of igneous rocks. for 45% followed by beneficiable grade (31%), low and non-beneficiable grade (18%) and blendable, others and not-known grades (6%). The resources

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Phosphate vs Apatite - What's the difference? | WikiDiff

As nouns the difference between phosphate and apatite is that phosphate is (chemistry) any salt or ester of phosphoric acid while apatite is (mineral) a calcium fluoride phosphate of variable composition, sometimes used in the manufacture of fertilizer. As a verb phosphate is to …

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Apatite | Define Apatite at Dictionary.com

Apatite definition, a common mineral, calcium fluorophosphate, Ca5FP3O12, occurring in individual crystals and in masses and varying in color, formerly used in the manufacture of phosphate fertilizers.

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Blue Apatite Meanings and Uses | Crystal Vaults

Apatite is also the stone associated with animal conservation, because it is composed of the mineral phosphate that makes up the teeth and bones of all vertebrate animals, as well as their horns, antlers or tusks. [Eason, 230] Blue Apatite Uses and Purposes - Overview. Blue Apatite is a motivational stone, promoting independence and ambitiousness.

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