Chromphyllite
WebLa cromfil·lita és un silicat de fórmula química K (Cr,Al)₂ (AlSi₃O 10 ) (OH,F)₂. Cristal·litza en el sistema monoclínic. La seva duresa a l' escala de Mohs és 3. És l'anàleg amb cromi de la moscovita i la roscoelita . Segons la classificació de Nickel-Strunz pertany a "09.EC - Fil·losilicats amb plans de mica, compostos per ... Webchromphyllite English Noun (mineral) A monoclinic-prismatic emerald green mineral containing aluminum, barium, chromium, fluorine, hydrogen, oxygen, potassium, and silicon. References * Chromphyllite in the Mineralogy Database: [http://webmineral.com/data/Chromphyllite.shtml]
Chromphyllite
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WebNov 1, 2012 · Oxy-chromium-dravite, NaCr 3 (Cr 4 Mg 2)(Si 6 O 18)(BO 3) 3 (OH) 3 O, is a new mineral of the tourmaline supergroup. It is found in metaquartzites of the Pereval marble quarry (Sludyanka, Lake Baikal, Russia) in association with quartz, calcite, chromphyllite, eskolaite, chromite, uvarovite, chromian phlogopite, and pyroxenes of … Pyrophyllite is a phyllosilicate mineral composed of aluminium silicate hydroxide: Al2Si4O10(OH)2. It occurs in two forms (habits): crystalline folia and compact masses; distinct crystals are not known. The folia have a pronounced pearly luster, owing to the presence of a perfect cleavage parallel to their surfaces: they are flexible but not elastic, and are us…
WebChromitite is an igneous cumulate rock composed mostly of the mineral chromite. It is found in layered intrusions such as the Bushveld Igneous Complex in South Africa, the Stillwater igneous complex in Montana and … WebChromphyllite : Evsyunin V G, Kashaev A A, Rastsvetaeva R K : Crystallography Reports 42 (1997) 571-574: Crystal structure of a new representative of Cr micas: Locality: Slyudyanka, Irkutsk, Russia _database_code_amcsd 0012352: 5.240 9.103 19.93 90 …
WebChrysocolla has a cyan (blue-green) color and is a minor ore of copper, having a hardness of 2.5 to 7.0. It is of secondary origin and forms in the oxidation zones of copper ore bodies. Associated minerals are quartz, limonite, azurite, malachite, cuprite, and other secondary copper minerals. It is typically found as botryoidal or rounded ... Webchromphyllite pronunciation - How to properly say chromphyllite. Listen to the audio pronunciation in several English accents.
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WebAbout Chromphyllite Hide Formula: K (Cr,Al)2(AlSi3O10) (OH,F)2 Colour: Emerald-green Lustre: Vitreous Hardness: 3 Specific Gravity: 2.88 Crystal System: Monoclinic Member … tst that place flagstaffWebChlorite group. For the chemistry term, see chlorite. Monoclinic 2/m; with some triclinic polymorphs. Various shades of green; rarely yellow, red, or white. Foliated masses, scaley aggregates, disseminated flakes. The chlorites are the group of phyllosilicate minerals common in low-grade metamorphic rocks and in altered igneous rocks. tst that placeWebchromphyllite ( mineralogy) A monoclinic-prismatic emerald green mineral containing aluminum, barium, chromium, fluorine, hydrogen, oxygen, potassium, and silicon. Further … phlegmon orlWebThe Mica Group is actually a rather large group of minerals with over 30 members. Being true phyllosilicates, all micas are thus composed of sheets of silicate tetrahedrons. The silicate sheets are composed of interconnected six membered rings. These rings are responsible for the micas typical six sided pseudohexagonal symmetry, in actuality ... tst that place projectsWebChemical Formula: (K,Na) (Fe+++,Al,Mg)2 (Si,Al)4O10 (OH)2 Composition: Molecular Weight = 426.93 gm Potassium 5.49 % K 6.62 % K 2 O Sodium 0.27 % Na 0.36 % Na 2 O Magnesium 2.28 % Mg 3.78 % MgO Aluminum 1.90 % Al 3.58 % Al 2 O 3 Iron 19.62 % Fe 3.37 % FeO / 24.31 % Fe 2 O 3 Silicon 25.00 % Si 53.48 % SiO 2 Hydrogen 0.47 % H … tstt head officeWebSiderophyllite is a rare member of the mica group of silicate minerals with formula KFe 2+2 Al (Al 2 Si 2 )O 10 (F,OH) 2 . The mineral occurs in nepheline syenite pegmatites and granite and aplite greisens. It is associated with microcline and astrophyllite at … phlegmonous dacryocystitis medical definitionWebChromphyllite; Srednaja Padma, Onega, Karelia, RUS; MM ... pure material. tst thau