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feldspar
(redirected from Feldspath)

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feldspar
[feld′spär]
Etymology: Ger, feld, field, spath, spar
a crystalline mineral of aluminum silicate with potassium, sodium, barium, and calcium. It melts over a range of 593.5° C to 1093° C (1100° F to 2000° F) and is an important component of dental porcelain.
feldspar (feld´spär),
n a crystalline mineral of aluminum silicate with po-tassium, sodium, barium, or calcium– NaAlSi3O8 or KAlSi3O8. Feldspar melts over a range of 1,100°F to 2,000°F (593.5°C to 1093.5°C). An important constituent of dental porcelain.
feldspar, orthoclase ceramic,
n a clay found in large quantity in the solid crust of the earth. It acts as a filler and imparts body to the fused dental porcelain.
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Puis, aux stades inter mediaires, la formation de plagioclases reduit considerablement la teneur en Sr et, aux stades finaux, la formation de feldspaths alcalins en extrait le Ba et le Rb alors que se forment les trachytes et les phonolites a partir de magmas alcalins.
Igneous rock associations 4. Oceanic island volcanism I mineralogy ... by Mallory-Greenough, Leanne M. / Geoscience Canada
The feldspath ceramics for chairside restorations (CEREC) will be available to customers as CEREC blocks.
Sirona Offers New Range of Materials for Dental CAD/CAM Systems by Business Wire
One of the drill hole located under the main deposit, 395 metres deep, intersected a porphyric sill containing quartz phenocrystals and feldspath and returned grades of 8.
Vantex Acquires 100% of the Heva Gold Deposit by Business Wire
 
 
 
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