Search results for cryolite at Sigma-Aldrich. } Synthetic cryolite is a white crystalline powder with a molecular formula of Na3AlF6 manufactured from sodium fluosilicate, ammonia and fluorine solution. C: Formation of cryolite and other aluminofluorides: A petrologic review. Small clear fragments become nearly invisible when placed in water, since its refractive index is close to that of water. Español Cryolite was first described in 1798 by Danish veterinarian and physician Peder Christian Abildgaard (1740-1801); it was obtained from a deposit of it in Ivigtut and nearby Arsuk Fjord, Southwest Greenland. Lithium cryolite. Euhedral Crystals - Occurs as well-formed crystals showing good external form. © Jeff Weissman / Photographic Guide to Mineral Species, Comments: Gray weberite masses in white cryolite. Cryolite synth. EPA Registry Name: Cryolite. S - Stereo Pair on/off Cryolite (Na3AlF6, sodium hexafluoroaluminate) is an uncommon mineral identified with the once-large deposit at Ivittuut on the west coast of Greenland, depleted by 1987. may not work well with some computers. 15096-52-3 HNNM can offer good quality and different kinds Synthetic Cyrolite ( CAS# 15096-52-3 ) made in China. CAS No.: 15096-52-3. M - Menu ", a = 5.4, b = 5.6, c = 7.78, Z = 2; beta = 90.183° V = 235.27 Den(Calc)= 2.96. alert("Sorry, the print ready feature is only available in modern browsers. Scale: Picture size 4 cm. Inquire Online Materion Advanced Chemicals Sodium aluminum fluoride; Purity: 99.5 (vac. EINECS 262-611-0. printWin.document.write(html); This page was last edited on 16 January 2021, at 18:10. DESCRIPTION OF CHEMICAL – Generic Name: Sodium fluoaluminate or sodium aluminofluoride – Common Name: cryolite (natural or synthetic) – Trade Name: Kryocide – EPA Shaughnessy Code: 075101 – Chemical Abstracts Service (CAS) Number: 15096-52-3 or 1344-75-8 – Year of Initial Registration: about 1967 Cryolite was first described in 1798 by Danish veterinarian and physician Peder Christian Abildgaard (1740–1801);[8][9] it was obtained from a deposit of it in Ivigtut and nearby Arsuk Fjord, Southwest Greenland. Substance Type: Chemical Substance. Chemical Substance. alert("Could not find the printReady section in the HTML"); Model Number: cryolite for grinding wheel. "); Scale: See Photo. Internal Tracking Number: 198465. CRYOLITE, synth. Concentration of ore is done by baeyer's process using chemical method. Synthetic Cryolite. [13] It is also used to give fireworks a yellow color. Due to its rarity it is possibly the only mineral on Earth ever to be mined to commercial extinction.[7]. The reaction at cathode is : 2 A l 3 + + 6 e − → 2 A l Thus pure aluminium metal is formed at the cathode. Scale: . - Start-Stop Rotation function printSpecial() It has a Mohs hardness of 2.5 to 3 and a specific gravity of about 2.95 to 3.0. { Call 414-289-9800 to order. CID 16682992 (Hexafluoroaluminate (3-)) CID 3028194 (Lithium) _uacct = "UA-3067463-1"; Product Name: artificial industrial chemical Resin Cryolite for grinding wheel. General Cryolite Information : Chemical Formula: Na3AlF6 : Composition: Molecular Weight = 209.94 gm Sodium 32.85 % Na 44.28 % Na 2 O Aluminum 12.85 % Al 24.28 % Al 2 O 3 Fluorine 54.30 % F 54.30 % F - % F -22.86 % -O=F 2 _____ _____ 100.00 % 100.00 % = TOTAL OXIDE html += '\n\n\n'; Cryolite (Na3AlF6, sodium hexafluoroaluminate) is an uncommon mineral identified with the once-large deposit at Ivittuut on the west coast of Greenland, depleted by 1987. Pure cryolite itself melts at 1012 °C (1285 K), and it can dissolve the aluminium oxides sufficiently well to allow easy extraction of the aluminium by electrolysis. It lowers the melting point, which leads to energy savings. else Location: Ivigtut, Greenland. [10] The Pennsylvania Salt Manufacturing Company used large amounts of cryolite to make caustic soda at its Natrona, Pennsylvania works, and at its Cornwells Heights, Pennsylvania, Plant, during the 19th and 20th centuries. It decreases the melting point of molten (liquid state) aluminium oxide from 2000 to 2500 °C to 900–1000 °C, and increases its conductivity[citation needed] thus making the extraction of aluminium more economical. Application: Electrolytic aluminum, abrasives, glass, enamel, Electrolytic aluminum, abrasives, glass, enamel, ceramics, pesticides. (1985): Alumofluorites of the Il’meny Mountains. Chemical formula: Na3AlF6. The Hall–Héroult process is the major industrial process for smelting aluminium.It involves dissolving aluminium oxide (alumina) (obtained most often from bauxite, aluminium's chief ore, through the Bayer process) in molten cryolite, and electrolysing the molten salt bath, typically in a purpose-built cell. Not radioactive. Location: Ivigtut, Greenland. }, Jeff Weissman / Photographic Guide to Mineral Species. Chemical Family: Salt Additional Names: Sodium hexafluoroaluminate, Sodium Aluminum fluoride, Kryolith Cryolite (Na 3 AlF 3): Percentage: 100 wt.% CAS #: 15096-52-3 … drag2 - RMB Resize/Rotate Systematic Name: Cryolite (Na3(AlF6)) CAS Number: 15096-52-3. Compare Products: Select up to 4 products. Cryolite is sodium aluminium fluoride (N a 3 A l F 6 ). Brownish black, Colorless, Gray, White, Reddish brown. High quality Off0-white/free-flowing granular material aluminium Fluoride from China, China's leading Aluminium Fluoride product, with strict quality control Aluminium Fluoride factories, producing high quality Aluminium Fluoride products. Chemical Compound Cryolite is an uncommon mineral identified with the once large deposit at Ivigtût on the west coast of Greenland, depleted by 1987. EPA Registry Name: Cryolite. dep. Mouse Cryolite occurs as glassy, colorless, white-reddish to gray-black prismaticmonoclinic crystals. Display Name: Cryolite, tripotassium EC Number: 262-553-6 EC Name: Cryolite, tripotassium CAS Number: 60996-20-5 Molecular formula: AlF6.3K; AlF5.2K.H2O Location: Ivigtut, Greenland. html += '\n\n'; [14], Cryolite occurs as glassy, colorless, white-reddish to gray-black prismatic monoclinic crystals. The difficulty of separating aluminium from oxygen in the oxide ores was overcome by the use of cryolite as a flux to dissolve the oxide mineral(s). Molten cryolite is used as a solvent for aluminium oxide (Al2O3) in the Hall–Héroult process, used in the refining of aluminium. 61105-08-6. reduces some of the energy costs involved in extracting aluminium by allowing the ions in aluminium oxide to move freely at a lower temperature. Ask-A-Mineralogist from the Mineralogical Society of America if (printReadyElem != null) The electrolytic reduction of alumina is done by hall heroult's process. Drag2 - Resize var headTags = document.getElementsByTagName("head"); Hurlbut, Cornelius S.; Klein, Cornelis, 1985, Cryolite: Cryolite mineral information and data, "Royal Society of Chemistry, Chemistry in its element: compounds - Cryolite", "Norwegische Titanerze und andre neue Fossilien", http://www.epa.gov/oppsrrd1/REDs/factsheets/0087fact.pdf, "How Firework Colors Work and the Chemicals That Make Vivid Colors", https://en.wikipedia.org/w/index.php?title=Cryolite&oldid=1000782975, Articles with unsourced statements from June 2020, Creative Commons Attribution-ShareAlike License, Colorless to white, also brownish, reddish and rarely black, Usually massive, coarsely granular. CRYOLITE synth. I - Data Info } } Cryolite (Na3AlF6, sodium hexafluoroaluminate) is an uncommon mineral. Weakly thermoluminescent. *Please select more than one item to compare urchinTracker(); Print or Cut-and-Paste your Cryolite Specimen Label here : Chemical Name: Sodium Fluoroaluminate. Help on Above. powder Revision Date 04/23/2015 P00000019190 Version: 1.07 / US( Z8) 1/16 SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1 Product identifier - Trade name CRYOLITE, synth. Warning: this large pop-up is very compute intensive and Chemical Formula: Na3(AlF6) or 3NaF AlF3 Cryolite. printWin.document.close(); Cryolite is used as an insecticide and a pesticide. Synthetic cryolite (Na3AlF6) is an important flux in the production of aluminium and metallurgical processes. B - Bonds On/Off S - Stereo EPA Pesticide Chemical Code 075101. powder - Chemical Name Trisodium hexafluoroaluminate - Molecular formula 3NaF.AlF3 Dbl Clk - Start-Stop Rotation Chemical name: Trisodium hexafluoraluminate. Chemical Name: Synthetic Cryolite Synonym: Cryolite, Sodium Aluminium Fluoride, Sodium fluoaluminate CAS Number: 15096-52-3 Chemical Formula: Na3(AIF6) Section II. Molecular Weight. } The rare crystals are equant and pseudocubic, Very common, often repeated or polysynthetic with simultaneous occurrence of several twin laws. Scale: Picture size 0.5 cm. Polyakov, V.O. printWin.document.open(); if (document.getElementsByTagName != null) Chemical Formula: Na 3 [AlF 6] Locality: Ivigtut and Arksukfiord, West Greenland. It ia an ore of aluminium. - Cryolite Substance Details. { F - Fit to Screen Substantial energy is still needed for both heating the materials and the electrolysis, but it is much more energy-efficient than melting the oxides themselves. powder and granular, 25 kg bags and big bags. grade) , CAS 13775-53-6, Materion Item Number 123271. Location: Katugin River, Siberia, Russia. Molecular Formula: Na3AlF6. Mindat.org's Discussion Groups Molecular Weight: 209.94 Molecular Formula: AlF6.3Na Additional Metadata. printWin.print(); Molecular Weight: 209.94 Molecular Formula: AlF6.3Na Additional Metadata. H - Help Screen I - Indicies Large bed in a granitic vein in gray gneiss. © Jeff Weissman / Photographic Guide to Mineral Species, Comments: Red-brown crystalline massive cryolite. Yixin sodium chlorite Suppliers for making man-made cryolite. return; Fluorspar (CaF 2 ) : It increases mobility of ions in the mixture as it acts as solvent for alumina and cryolite. Location: Ivigtut, Greenland. Ivigtut and Arksukfiord, West Greenland. Dispersion none. } Systematic Name: Cryolite (Na3(AlF6)) CAS Number: 15096-52-3. Keyboard Powdery or sandy. Location: Ivigtut, Greenland. © John Veevaert, Comments: Massive cryolite with one section of lustrous crystal faces. The name is derived from the Greek language words κρύος (cryos) = frost, and λίθος (lithos) = stone. Besides Ivittuut, on the west coast of Greenland where cryolite can be found in large quantities, small deposits of cryolite have also been reported in some areas of Spain, at the foot of Pikes Peak in Colorado, Falcon Quarry near Montreal in Quebec, Canada and also in Miask, Russia.[11][12]. Cryolite | Na3AlF6 or AlF6Na3 | CID 16693908 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. var gAutoPrint = true; // Flag for whether or not to automatically call the print function Price Get Latest Price. Chemical Name: Sodium fluoaluminate. drag1 - LMB Manipulate Structure As natural cryolite is too rare to be used for this purpose, synthetic sodium aluminium fluoride is produced from the common mineral fluorite. May fluoresce intense yellow under SWUV, with yellow phosphorescence, and pale yellow phosphorescence under LWUV. Scale: See Photo. Articles of Synthetic Cryolite are included as well. Comments: Massive cryolite with solution cavities lined with octahedral ralstonite crystals. Ocean Pictures, Moscow; Bailey, J. { Keyboard A synthetic cryolite which approximates the performance of natural Greenland cryolite. else RMB - Cycle Display Modes Rockhounds Discussion Group on Yahoo Groups Help on Above, Hawthorne F C , Ferguson R B , The Canadian Mineralogist , 13 (1975) p.377-382, Refinement of the crystal structure of cryolite. Molecular formula: 3NaF.AlF3. Massive - Granular - Common texture observed in granite and other igneous rock. Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. Composition and Information on Ingredients Chemical Name Sodium Aluminum Fluoride CAS # 15096-52-3 if (headTags.length > 0) Synthetic Cryolite CAS No. Mineral Discussion Forum from Fabre Minerals - also available in It has a Mohs hardness of 2.5 to 3 and a specific gravity of about 2.95 to 3.0. var html = '\n\n'; of Cofermin Chemicals, Essen, Germany: Sodium Cryolite and Potassium Cryolite, Powder and Granulate. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. P - Polyhedra On/Off Brand Name: Minli Industrial. Chemsrc provides Synthetic Cryolite(CAS#:13775-53-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Drag1 - Manipulate Crystal In industrial practice, there is often excess aluminum fluoride (3–7 mass% AlF 3) present in the cryolite–alumina melt.A ternary eutectic exists at 3.2 mass% Al 2 O 3, 37.3 mass% AlF 3, and 59.5 mass% Na 3 AlF 6 at 684 °C. from Germany. Kryolith [German] Natriumaluminiumfluorid. { Trisodium aluminum hexafluoride. var printReadyElem = document.getElementById("printReady"); 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'); Biaxial (+), a=1.3385-1.339, b=1.3389-1.339, g=1.3396-1.34, bire=0.0010-0.0011, 2V(Calc)=0-76, 2V(Meas)=43. 161.9 g/mol. if (gAutoPrint) { Original Rockhounds Discussion Group The use of molten cryolite as a solvent. html += headTags[0].innerHTML; Molecular Weight: 210. It is translucent to transparent with a very low refractive index of about 1.34, which is very close to that of water; thus if immersed in water, cryolite becomes essentially invisible.[6]. © John Veevaert, Comments: White translucent crystalline cryolithionite in brown cryolite. Component Compounds. of electrolyte from 2050°C to 950°C. © Jeff Weissman / Photographic Guide to Mineral Species, Mouse Cryolite, trilithium. 1. Natriumhexafluoroaluminate [German] Aluminum sodium fluoride (Na3AlF6) Aluminum sodium hexafluoride (AlNa3F6) Aluminum trisodium hexafluoride. Name Origin: Named from the Greek, kryos “frost” and lithos “stone.” Cryolite (Na 3 [AlF 6]), sodium hexafluoroaluminate) is an uncommon mineral identified with the once large deposit at Ivigtût on the west coast of Greenland, depleted by 1987. It was historically used as an ore of aluminium and later in the electrolytic processing of the aluminium-rich oxide ore bauxite (itself a combination of aluminium oxide minerals such as gibbsite, boehmite and diaspore). © John Veevaert, Comments: Massive, white cryolite with solution cavities lined with prismatic Thomsenolite crystals. Ask about Cryolite here : { Cryolite (Na 3 AlF 4) : It increases the conductivity of mixture and lowers the m.p. 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To be mined to commercial extinction. [ 7 ] for alumina and.. About 2.95 to 3.0 κρυος ( cryos ) = stone, materion Item Number 123271, its! On Earth ever to be used for this purpose, synthetic sodium aluminium (! Massive - granular - common texture observed in granite and other igneous rock 14 ], cryolite as! It cryolite chemical name as solvent for alumina and cryolite, used in the of!

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