Nomenclature of the apatite supergroup minerals | European ...

The apatite supergroup includes minerals with a generic chemical formula IX M1 2 VII M2 3 (IV TO 4) 3 X (Z = 2); chemically they can be phosphates, arsenates, vanadates, silicates, and sulphates. The maximum space group symmetry is P6 3 /m, but several members of the supergroup have a lower symmetry due to cation ordering and deviations from the ideal topology, which may result in an …

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Apatite Trace Element Compositions: A Robust New Tool for ...

The crystal structure and chemistry of apatite results in relatively high mineral-melt and mineral-fluid partition coefficients for many trace elements (Hughes and Rakovan, 2002; Pan and Fleet, 2002; Prowatke and Klemme, 2006).Calcium, a large cation, has two structural sites in apatite (Ca1 and Ca2), which are capable of accommodating high concentrations of many trace elements, including Na ...

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Valorization of apatite mining flotation residues by the ...

2021-8-1 · Mining residues. The material used for granulation is a waste resulting from extraction and processing of an apatite ore, initially hosted in mafic layers, and essentially comprised of apatite, Fe and Ti oxides (magnetite and ilmenite), olivine, plagioclase and clinopyroxene (Tollari et al., 2008). After crushing, the magnetic fraction and the ...

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Apatite ores

2015-1-24 · Apatite ores are used primarily for the production of mineral fertilizers (superphosphate, monoammonium phosphate, and others). Besides this, apatite ores are the raw material for the obtainment of the phosphate acid, yellow phosphorus, various salts; it is used for metallurgy, for ceramics, glass, and chemical industries.

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Apatite ore mine tailings as an amendment for remediation ...

Apatite ore mine tailings as an amendment for remediation of a lead-contaminated shooting range soil Sci Total Environ. 2011 Oct 1;409(21):4628-34. doi: 10.1016/j.scitotenv.2011.08.002. Epub 2011 Aug 25. Author Salla H Venäläinen 1 Affiliation ...

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The Varied Uses and Forms of Apatite Will Raise Your ...

Since apatite is non-radioactive, it is preferred over other traditional rare earth ores to prevent environmental hazards during mine tilling. As a matter of fact, apatite uses are widespread in the Hoidas Lake Rare Earth Elements Mining Project. Uses of Apatite …

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Apatite ores

2015-1-24 · Apatite ores are used primarily for the production of mineral fertilizers (superphosphate, monoammonium phosphate, and others). Besides this, apatite ores are the raw material for the obtainment of the phosphate acid, yellow phosphorus, various …

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A Review of Rare-Earth Elements Extraction with Emphasis ...

2020-9-23 · Apatite was the main REE carrier in the samples, with an average REO content of 14.7%, and the highest values reached 20.8%. There was a minor amount of other REE minerals such as monazite, cheralite, parisite, and synchysite. The grain size of apatite varied from 0.1 to 4.0 mm. The whole-rock REE concentrations were from 2.2 to 8.3% .

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HISTORY Mount Apatite Mineralogical Composition The …

2012-12-14 · Exploratory mining of this sector began as early as 1868. The names of Pitt P. Pulsifer, John S. Towne, Loren B. Merrill, Nathaniel U. Greenlaw, and William R. Wade are all associated the work which has been done at Mount Apatite. The complex of quarries here have produced significant amounts of gem tourmaline, purple apatite, and other ...

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Mt. Apatite (Auburn)

Lots of mica and different kinds of rock, haven''t found any tourmaline yet but I often see people up there with mining gear finding things. Good luck! Also, if you drive around the back side of the mountain on Hatch Rd. then turn into Mine Rd. of Small rd. there is a trail that goes up to the top and connects all around there with a system of ...

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Apatite for extraction

2014-11-25 · The Siilinjärvi open pit mine is the biggest in Finland, extracting almost eleven million tons of apatite a year. Excavation began at the site in 1979 at what is the European Union''s only apatite mine. Today the mine has grown to three kilometres in length, is …

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phosphate mining apatite

2021-8-9 · phosphate mining apatite. Apatite is the name of a group of phosphate minerals with similar chemical compositions and physical properties They are an important constituent of phosphorite a rock mined for its phosphorus content and used to make fertilizers acids and chemicals Apatite has

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APATITE | Mardani Fine Minerals

Apatite is a group of phosphate minerals that get their name from the Greek word "apatein," which means "to deceive or mislead" because of their similarity to other minerals such as olivine, peridot, and beryl. Apatite specimens come in a variety of colors and can range in translucency, the best examples can be very gem-like in appearance.

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apatite Archives

2021-7-5 · Residual mine waste will continue to be landfilled. "Thanks to electrification, the process will be almost entirely free of carbon dioxide emissions," the company said. "Certain minor emissions may arise, due to the release of chemically-bound carbon in apatite (bound in remnants of …

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The Versatile Apatite Mineral Group

2014-5-20 · The word apatite is derived from the Greek word for deceit, "apate" because apatite can be mistaken for many other minerals. It is usually green, but can also be blue, yellow, purple, or brown. Apatite is the main source of phosphorous, an important nutrient required by plants. As such, apatite …

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APATITE: 3 MINERALS, ONE NAME

2017-1-13 · APATITE: 3 MINERALS, ONE NAME. The name apatite comes from the Greek word apatein, meaning to deceive, because of its similarity to so many other minerals. Ironically, it is actually 3 different minerals, and the precise species of this …

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Classification of apatite structures via topological data ...

2021-6-2 · Data input. For this paper, we will build upon our earlier work on the apatite family of crystal structures 16.The apatite crystal structure has the general formula of A 5 (BO 4) 3 X, with A ...

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The carbonatite-hosted apatite deposit of Jacupiranga, …

2020-10-13 · The carbonatite-hosted apatite deposit of Jacupiranga is located in southeastern Brazil. The major styles of apatite mineralization are veins or veinlets, small pods or patches, disseminated apatite, and massive aggregates (locally). The concentration of apatite involves grinding of the carbonatite, removal of magnetite with a magnet drum,

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Apatite

1.5" Dark Blue Green Gem FLUOR APATITE DT Crystal Panasquiera Portugal for sale. Here''s a specimen of beautiful blue green APATITE from the famous Panasquiera Mine in Panasqueira, C..... $275.00 $138.00. Add to Cart.

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Mount Apatite Park, Auburn, Maine

2020-10-13 · Mount Apatite Park, Auburn, ME Maine Geological Survey History of Mining The Mt. Apatite quarries were excavated in a type of igneous rock called granite pegmatite (often simply called "pegmatite" in Maine). This is a coarse-grained variety of granite in …

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The many facets of apatite

2016-6-6 · precipitates from the waste, but recent attention has been focused on actually mining the precipitated struvite from water systems and using it as a source of phosphate fertilizer (Etter et al. 2011). Apatite in Environmental Remediation Apatite is an important phase in environmental remediation of contaminated groundwater

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Apatite production in Malmfälten | LKAB Minerals | ReeMAP ...

Apatite production in Malmfälten. The first step in the conversion of mine waste into critical raw materials is to produce an apatite concentrate. Apatite production schema. We plan the process in such a way that we recover the tailings sand from the iron ore processing plants before deposition in the tailings ponds.

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Apatite, Nepheline, and Rare-Earth Mining in the Kola ...

PARTICIPANTS in the northern excursion of the seventeenth International Geological Congress in Russia were afforded ample facilities for inspecting recent mining developments in the Kola Peninsula ...

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Apatite: Its uses as a mineral and gemstone

What is Apatite? Apatite is the name of a group of phosphate minerals with similar chemical compositions and physical properties. They are an important constituent of phosphorite, a rock mined for its phosphorus content and used to make fertilizers, acids, and chemicals. Apatite …

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Apatite enrichment by rare earth elements: A review of the ...

Apatite: The mineral apatite information and pictures

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Apatite from Lake Clear, Renfrew County, Ontario, Canada

2015-3-9 · Apatite is a widespread mineral, a calcium phosphate, historically a source of phosphate for fertilizer. This striking sample comes from a long-abandoned apatite mine in the Lake Clear area, Sebastopol Twp., Renfrew County. The Lake Clear region of the Proterozoic Grenville province in southeastern Ontario hosts at least four apatite …

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East Mount Apatite Mining District, Auburn, Androscoggin ...

East Mount Apatite Mining District, Auburn, Androscoggin Co., Maine, USA : Mount Apatite has many granite pegmatite quarries and prospects which are mineralogically rich and have late-stage lithium mineralization. The Mount Apatite region is geographically bisected by the ...

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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. (These …

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The Mine Arnaud project

Mining industry. Mine Arnaud is a project to mine an apatite deposit located roughly 10 kilometres northwest of Sept-Îles, in the township of Arnaud. Mine Arnaud Inc. is a wholly-owned subsidiary of Ressources Québec, a subsidiary of Investissement Québec, and Yara International ASA, one of the world''s largest producers of fertilizer ...

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Apatite Mineral Data

Apatite Robertsite Carbonate-hydroxylapatite Comments: Black crystals of Robertsite on pink carbonate-hydroxylapatite. Location: Tip Top mine, Custer, Custer County, South Dakota, USA.

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Overview | Mining Project | Arianne Phosphate Inc.

2019-12-10 · The Lac à Paul project consists of the operation of an open-pit phosphate mine in the Saguenay-Lac-Saint-Jean region, located in Quebec, Canada. Every day, 55 000 tonnes of ore will be processed in order to produce 3 million tonnes of phosphate concentrate (apatite) per year. Approximately 1000 direct and indirect jobs will be created for the ...

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Valorization of apatite mining flotation residues by the ...

Mining residues are usually stockpiled because of their understudied physico-chemical properties and of their abundance, which make their valorization challenging. In this work, a cold-bonding granulation apparatus was built in order to transform a mining residue sludge from an apatite ore, into artificial aggregates suitable for use in civil ...

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LKAB extracts apatite from mine waste

2020-5-29 · Swedish mining company LKAB is trialling a new process that recycles mine waste to produce an apatite concentrate, with the eventual aim of producing phosphorus mineral fertilisers, rare earth elements, fluorine and gypsum. LKAB ReeMap pilot apatite concentrate in hand. Future Of Mining > Innovation. 29 May 2020. share.

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