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Naziv "feldspat" je njemački, iako ima švedske korijene. To je zato što su poljoprivredna zemljišta koja se protežu na zemljištu moderne Švedske potpuno prošarana feldspatom. Mineralozi smatraju da je porijeklo imena švedsko-njemačko, gdje "feldt" znači "oranica", a "spath" znači bar. 1740. godine uveden je njemački izraz "feldspat".
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Propiedades físicas y características de los feldespatos. Vítreo, en algunas caras de exfoliación nacarado. Por lo general blanco, rosa, marrón o gris. También son incoloros, naranja, amarillo, rojo, azul, verde y negro. X (Al, Si)4O8, X representa potasio, sodio, calcio y en algunos casos bario, estroncio o rubidio.
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The feldspar compositional ternary diagram. While feldspars between the compositional end-members KAlSi 3 O 8 and NaAlSi 3 O 8 are referred to as alkali feldspars, the series between NaAlSi 3 O 8 and CaAl 2 Si 2 O 8 are called plagioclase feldspars.. A ternary diagram, based on these three endmembers, can therefore …
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Liz Vigoda yes you can. if the recipe doesn't require much, maybe just use custer. if the recipe requires a lot, you could try something like 70% minspar and 30% custer. to get an exact substitution you would need to use the calculator. Note that whilst the Sibelco website gives this analysis for porcelain tiles, it also gives a different ...
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Custer feldspar supplies SiO2, Al2O3, K2O, Na2O, CaO, and Fe2O3. Commonly used potash feldspar. Can be used to substitute for Keystone, Buckingham, Yankee, or. Kingman feldspars. Manufactured by Pacer Corporation; comes from Custer, SD. Primarily feldspar, some free quartz and traces of iron and magnesium. Sibling …
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Sense of "tract of ground where something is obtained or extracted" is from 1859. As an adjective in Old English combinations, often with a sense of "rural, rustic" ( feldcirice "country-church," feldlic "rural"). Of slaves, "assigned to work in the fields" (1817, in field-hand ), opposed to house. A field-trial (1865) originally was of hunting ...
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En su composición química, los feldespatos poseen aluminosilicatos de bario, sodio, potasio y calcio. Pueden, además, contener pequeñas concentraciones de magnesio, hierro, estroncio, titanio y plomo. Dada su composición, podemos dividir a los feldespatos en 3 grandes grupos: Ortoclasas. Son los feldespatos alcalinos.
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Felspat, còn gọi là tràng thạch hay đá bồ tát, là một nhóm khoáng vật tạo đá cấu thành nên 60% vỏ Trái Đất.. Felspat kết tinh từ mácma có mặt trong cả đá xâm nhập và đá phun trào, ở dạng hạt nhỏ trong các vành (mạch) và trong các đá biến chất. Đá cấu tạo toàn bộ là plagiocla (fenspat natri) được gọi là ...
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Potassium feldspars are the feldspar minerals in which the silicate tetrahedral and aluminum tetrahedra are bound with potassium ions, rather than sodium or calcium ions as in the plagioclase feldspar subgroup. The potassium feldspar group is composed of three mineral polymorphs, each having the same chemical composition, but slightly different ...
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Feldspat. Feldspat je naziv za grupu vrlo važnih petrogenih minerala, koji izgrađuju više od 60% Zemljine kore. Feldspati se mogu javiti i u intruzivnim i u efuzivnim magmatskim stenama, što znači da mogu kristalisati i dok se magma nalazi u Zemljinoj kori, kao i kada se izlije na površinu. Takođe se mogu javiti i u određenoj grupi ...
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Portable Jaw Plants - Astec. Our portable jaw crushing plants represent the very latest in jaw crusher technology. Engineered to be the highest capacity jaw crusher on the market, our plants can deliver up to 25% more tons per hour than other …
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Child materials Eureka Feldspar #703, F-20 Feldspar, Kona F-4 feldspar, Minpro #4 Feldspar, NC-4 Feldspar, Minspar 200, C-6 Feldspar, Bainbridge Feldspar, NKO Natronveldspaat, Sodium Feldspar - Caki, Norfloat Sodium Feldspar, Feldspar CA428_Jäger, Feldspar LF 90, BPS Soda feldspar, Feldspath sodique FH (Solargil …
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Feldspar in granite. Feldspar is the name of a group of rock-forming tectosilicate minerals that make up as much as 60% of the Earth 's crust . Feldspar forms crystals from magma in both intrusive and extrusive rocks, and they can also happen as compact minerals, as veins, and are also present in many types of metamorphic rock. Rock formed ...
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Etimología. El nombre feldespato deriva del alemán Feldspat, un compuesto de las palabras Feld ("field") y Escupida ("copos").Spat se ha utilizado durante mucho tiempo como la palabra para "una roca que se divide fácilmente en escamas"; Feldspat se introdujo en el siglo XVIII como un término más específico, refiriéndose quizás a su aparición común en …
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