Fluorescent, Short UV=green, Long UV=bluish white. Light magnesium carbonate or hydromagnesite is made by precipitation from a boiled solution of magnesium sulfate and sodium carbonate. Mineral Discussion Forum from Fabre Minerals - also available in D. i.; de hydro , et magnésite. - Start-Stop Rotation ♦ Minér. else _uacct = "UA-3067463-1"; { if (printReadyElem != null) 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'); may not work well with some computers. Romanian Journal of Mineral Deposits, 79, Suppl. MgCO3· nH2O or CH2MgO3+2. var gAutoPrint = true; // Flag for whether or not to automatically call the print function html += '\n\n'; html += '\n\n\n'; Carbonate hydraté naturel de … var printReadyElem = document.getElementById("printReady"); NSC-83511. © Thomas Witzke / Abraxas-Verlag, Comments: Tan spherical pokrovskite on serpentinite rock with white hydromagnesite sprays. F - Fit to Screen { Mineral Chemical Formula Approximate onset of Decomposition (°C) Nesquehonite MgCO 3.3H 2 O 70 – 100 Gypsum CaSO 4.2H 2 O 60 – 130 Magnesium phosphate octahydrate Mg 3 (PO 4) 2.8H 2 O 140 – 150 Aluminium hydroxide Al(OH) 3 180 – 200 Hydromagnesite Mg 5 (CO 3) 4 (OH) 2.4H 2 O 220 – 240 PROP.(Enc. Español function printSpecial() pH (1% suspension): 9.5 Bulk Density: 130-140 g/l hydromagnesite (plural hydromagnesites) A hydrated magnesium carbonate mineral with the chemical formula Mg 5 (CO 3) 4 (OH) 2.4H 2 O, used as a fire retardant. Hydromagnesite has the following chemical formula and thermally decomposes releasing water [20] and carbon dioxide, leaving a solid residue of magnesium oxide. printWin.print(); Scale: Picture size 5 mm. Location: KCA Quarry, San Benito County, California, USA. } html += printReadyElem.innerHTML; if (document.getElementsByTagName != null) 4H2O Mineralklasse Carbonate 05.DA.05 (nach Strunz) 16b.07.01.01 (nach Dana …   Deutsch Wikipedia, Magnesium hydroxide — IUPAC name Magnesium hydroxide …   Wikipedia, Magnesium carbonate — Magnesium carbonate …   Wikipedia. The Collaborative International Dictionary of English, En utilisant des dictionnaires dans votre site, Dictionnaires et Encyclopédies sur 'Academic'. Warning: this large pop-up is very compute intensive and Water chemistry and hydrochemical processes assessment in zones with Land slip in Buzău and Vrancea, SE Romania. of Minerals,2nd ed.,1990) OPTIC PROP. } I - Indicies { } { Ask-A-Mineralogist from the Mineralogical Society of America var html = '\n\n'; Acicular - Occurs as needle-like crystals. if (document.getElementById != null) if (headTags.length > 0) hydromagnésite [idʀomaɲezit] n. f. ÉTYM. { S - Stereo General Hydromagnesite Information : Chemical Formula: Mg5(CO3)4(OH)2•4(H2O) Composition: Molecular Weight = 467.64 gm Magnesium 25.99 % Mg 43.09 % MgO Hydrogen 2.16 % H 19.26 % H 2 O Carbon 10.27 % C 37.64 % CO 2 Oxygen 61.58 % O _____ _____ 100.00 % 100.00 % = TOTAL OXIDE: Empirical Formula: Mg 5 (CO 3) 4 (OH) 2 •4(H 2 O) IMA Status: Dispersion none. } Magnesium carbonate, MgCO3. Rockhounds Discussion Group on Yahoo Groups }, Jeff Weissman / Photographic Guide to Mineral Species, Castle Point, Hoboken, Hudson County, New Jersey, USA Link to , a = 10.11, b = 8.94, c = 8.38, Z = 2; beta = 114.58° V = 688.78 Den(Calc)= 2.25. Encrustations - Forms crust-like aggregates on matrix. RMB - Cycle Display Modes hydromagnésite nom féminin Carbonate hydraté naturel de magnésium. else Drag2 - Resize Dbl Clk - Start-Stop Rotation Synonyms. © Jeff Weissman / Photographic Guide to Mineral Species, Mouse NSC83511. if (gAutoPrint) Drag1 - Manipulate Crystal Location: Lobming, Styria, Austria. Visit our Advertisers for Hydromagnesite : Ask about Hydromagnesite here : Further reading “Hydromagnesite” in David Barthelmy, Webmineral Mineralogy Database, 1997–. printWin.document.write(html); Mindat.org's Discussion Groups Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. Mg 5(CO 3) 4(OH) 2.4H 2O → 5MgO + 4CO 2 + 5H 2O Huntite has the following chemical formula and … Comments: White, blocky crystals of hydromagnesite. Hydromagnesite. alert("Could not find the printReady section in the HTML"); Biaxial (+), a=1.523, b=1.527, g=1.545, bire=0.0220, 2V(Calc)=52, 2V(Meas)=30-90. Keyboard Molecular Formula. urchinTracker(); Print or Cut-and-Paste your Hydromagnesite Specimen Label here : Original Rockhounds Discussion Group Carbonate hydraté naturel de magnésium (minerai de ce métal). { (Ford32). printWin.document.close(); alert("Sorry, the print ready feature is only available in modern browsers. html += headTags[0].innerHTML; I, 2000, p.99-101 M - Menu } Scale: See Photo. WLN: MG C-O3. "); var headTags = document.getElementsByTagName("head"); Help on Above. NAME( Duda&Rejl90) PHYS. printWin.document.open(); return;

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