The ionic radius of the calcium ion is 1.26 Å and that of the fluoride ion is 1.17 Å. Calcium fluoride occurs naturally as the mineral fluorite. We gratefully acknowledge support from the UK Physical Sciences Centre, HEA (National Teaching Fellowship), JISC, Faculty of Science TQEF and EPSRC. Meanwhile, 3D porous architecture with large surface area is well preserved in the CoO/Cu hetero-structured arrays. Also known as Derbyshire spar; fluor; fluorspar. These cookies do not store any personal information. In this case the cation is the larger ion, and the ratio of radii for the anion and cation is r-/r+ = 1.17/1.26 = 0.929. Description: A transparent to translucent, often blue or purple mineral, commonly found in crystalline cubes in veins and associated with lead, tin, and zinc ores; hardness is 4 on Mohs scale; the principal ore of fluorine. This perfect cleavage combined with the mineral’s isometric crystal structure frequently cause it to cleave into ‘perfect‘ octahedrons as shown in this sample. CaF2 - Fluorite: Interactive 3D Structure Interactive 3D chemistry animations of reaction mechanisms and 3D models of chemical structures for students studying University courses and advanced school chemistry hosted by University of Liverpool ChemTube3D by Nick Greeves is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales License. You also have the option to opt-out of these cookies. Display controls: Jmol.jmolLink(jmolApplet0,"select all;spacefill 100%; wireframe off;","Spacefill") is too old to display models in AR. Website: http://geology.uaic.ro/muzee/mineralogie/, Concept & 3D-modelling by dr. Andrei Ionut APOPEI, If the loading takes too long, you can learn more, For compatibility reasons, 3D is not available (, Museum of Mineralogy and Petrography, UAIC, https://sketchfab.com/models/80dfb1f192c34f7eb489f2859ab5fab4/embed?utm_source=website&utm_campaign=blocked_scripts_error, https://help.sketchfab.com/hc/en-us/articles/203059088-Compatibility?utm_source=website&utm_campaign=blocked_scripts_error#troubleshooting-scripts, http://geology.uaic.ro/muzee/mineralogie/. Fluorite structure Erich. Flourite crystal structure - Fluorite - 3D model by UofUGeo (@UofUGeo) [e086641] Explore Buy 3D models. Cancel. Please check out our FAQ to learn how to fix this issue. No votes so far! Model Info. Crystallography of Fluorite Hide. It is mandatory to procure user consent prior to running these cookies on your website. We are sorry that this page was not useful for you! Jmol.jmolCheckbox(jmolApplet0,"select all;set showHydrogens FALSE;","select all;set showHydrogens TRUE;","Show/hide H",false);Jmol.jmolHtml('    ') #CaF2 #crystal #fluorite. This category only includes cookies that ensures basic functionalities and security features of the website. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are as essential for the working of basic functionalities of the website. Jmol.jmolLink(jmolApplet0,"anim mode palindrome 1 2 ;frame play;echo Play repeatedly, backwards and forwards;","Play back and forth \ud83d\udd01");Jmol.jmolBr() 0. These cookies will be stored in your browser only with your consent. Jmol.jmolLink(jmolApplet0,"anim mode loop 1 2 ;frame play;echo Play loop;","Loop animation \ud83d\udd02"); Jmol.jmolLink(jmolApplet0,"anim off;echo ","Stop animation \u23F9"); Jmol.jmolLink(jmolApplet0,"anim rewind#;","Frame 1 \u23EB");Jmol.jmolHtml('    ') Model is too heavy for your device and can not be rendered properly. Navigation basics; All controls; Orbit around. Necessary cookies are absolutely essential for the website to function properly. Update your device or try on another device. Jmol.jmolCheckbox(jmolApplet0,"zoom 300","zoom 100","Zoom",false);Jmol.jmolBr() This website uses cookies to improve your experience while you navigate through the website. Fluorite is the only common mineral with four directions of perfect cleavage. Jmol.jmolLink(jmolApplet0,"select all;spacefill 20%; wireframe .15;","Ball & Stick") Jump to main content Jump to site nav Home 0 Likes | 89 Downloads | 964 Views Download. Jmol.jmolLink(jmolApplet0,"select all;spacefill off; wireframe .1;","Sticks") Supported devices: iPhone 6S+ & iPad 5+ on iOS 12+ and Android 8.0+ with ARCore 1.9 support The Fluorite, CaF 2, structure The fluoride anions (green) occupy all of the tetrahedral holes in the fcc lattice of calcium cations (red). CaF_2. Login Sign Up Upload. Crystal Structure of Fluorite. Usually cubes, {001}; less often octahedrons, {111}; rarely dodecahedrons {011}. Be the first to rate this page. Open this page with such a device to experience AR. 3D Model. The antifluorite structure is that adopted by compounds with the stoichiometry A 2 B, where A is the cation and B is the anion. Organic Chemistry Animations Introduction, Acid Chloride Formation – Thionyl Chloride, Acid chloride formation-Phosphorus Pentachloride, Addition to C=O - loss of carbonyl oxygen, Molecules with a Plane of Symmetry – Feist’s Acid, Chiral Allenes Without Stereogenic Centres, Conformations of ethane – Newman projection, Conformational Analysis – Pea Moth Pheromone, Substrate structure controls substitution mechanism S, E2 Regioselective Elimination to Menthenes A, E2 Regioselective Elimination to Menthenes B, Formation of Diazonium Salt – Diazotization, Benzyne formation – Diazotization-decarboxylation, Enolisation and formation of syn aldol product, Enolisation and formation of anti aldol product, Simple Diastereoselectivity - cis gives syn aldol, Simple Diastereoselectivity - trans gives anti aldol, Conjugate Addition of MeSH to an Unsaturated Aldehyde, Conjugate Addition of Diethylamine to an Unsaturated Nitrile (Acrylonitrile), Conjugate Addition of Diethylamine to an Unsaturated Ester, Conjugate Addition of Enamine to Unsaturated Imine, Conjugate addition of peroxide to form epoxides, Regioselectivity 2-methoxybuta-1,3-diene and acrylonitrile, Regioselectivity 1,1-dimethylbutadiene and methyl acrylate, Stereochemistry of the dienophile - diesters, Stereochemistry of the dienophile - dinitrile, The Woodward Hoffman description of the Diels-Alder, Intramolecular Diels-Alder (E)-3-Methyldeca-1,3,9-triene, Intramolecular Diels-Alder – 1,3,9-decatrien-8-one, 2,3-Dimethylbutadiene and Acrolein(propenal), Quinone as Dienophile – Steroid Framework, Intramolecular Diels-Alder – Regioselectivity reversal, 8-Phenylmenthol auxiliary-controlled Diels-Alder, Paal-Knorr pyrrole synthesis via hemiaminal, Pyridine N-Oxide – Nucleophilic Substitution, Pyridine N-Oxide – Remote Oxidation And Rearrangement, 1,3-Dipolar Cycloaddition Isoxazole from nitrile oxide, Electrocyclic reactions are stereospecific, Conrotatory ring closure/opening - cyclobutene, Disrotatory ring closure/opening - hextriene, Semipinacol rearrangements of diazonium salts, Rearrangements with different nucleophiles, Retention of stereochemistry can indicate neighbouring group participation, Neighbouring group participation: alpha-lactone formation, Fragmentations are controlled by stereochemistry, Controlled by stereochemistry (Cis isomer), Controlled by stereochemistry (Trans – Less severe interactions), Controlled by stereochemistry (Trans – Severe interactions), Fragmentation of diastereoisomers (Trans-decalin I), Fragmentation of diastereoisomers (No ring fragmentation), Photolysis of diazomethane to produce a carbene, Methylation of carboxylic acid using diazomethane, Cyclopropanation of an Alkene by a Carbenoid, Stereoselective Aldol Reaction – Cis gives Syn, Stereoselective Aldol Reaction - Trans gives Anti, Endo-trig reactions (5-endo-trig orbital overlap), Hydroboration (Addition of boron hydride to alkenes), Pd-Carbonylative Kosugi-Migita-Stille Coupling Reaction, Pd-Butenolide Formation From Carbonylation Of A Vinyl Bromide, Pd-catalysed nucleophilic allylic substitution of functionalised compounds, Hydroboration of cyclopentadiene Ipc-borane, Acetylenic Ketone Reduction – Alpine Borane, Intermolecular aldol -proline – hydroxyacetone, BISCO Bismuth Strontium Calcium Copper Oxide – BSCCO, Chalcogenides, Intercalation Compounds and Metal-rich phases, Compare shape and size of 1s, 2s and 2p orbitals, Orbital-orbital Interactions and Symmetry Adapted Linear Combinations, Distortions of a octahedral complex with chelating ligands, Ligand Substitution Square Planar Complex, Possible morphologies of Au Nanoparticles, Electrophilic Addition Addition of bromine to an alkene, Electrophilic addition to alkenes – Symmetrical and Unsymmetrical, Nucleophilic Addition Addition of Hydride, Cyanohydrin Formation – Nucleophilic addition to the carbonyl group, Nucleophilic Substitution at Saturated Carbon, Nucleophilic Substitution Cyanide + Ethyl Bromide, Elimination – E2 Stereoselective for E alkenes, Radical Reactions Synthesis of Chloroalkanes, Radical Reactions CFCs and the Ozone Layer, Polyvinyl Chloride Poly(chloroethene) PVC, Creative Commons Attribution-Noncommercial-Share Alike 2.0 UK: England & Wales License.

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