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feldspar

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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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Just like the rocks on Earth, Moon's have lots of basalt and olivine, pyroxene, and mafic breccias, along with plagioclase feldspar, also known as anorthosite.
Luna slowly yields her secrets by Telegram & Gazette (Worcester, MA)
The minister said that Swat is rich in china clay, marble, emerald, limestone, granite, feldspar, mica, quartz, barite, pyroxenes, garnets, magnetite, tourmalines, vermiculite and kainite and all these substances posses huge industrial potential and are heavily used in production of various high end products.
Committee constituted to restore industrial sector of Swat by Balochistan Times (Baluchistan Province, Pakistan)
The minister said that Swat is rich in china clay, marble, emerald, limestone, granite, feldspar, mica, quartz, barite, pyroxenes, garnets, magnetite, tourmalines, vermiculite and kainite.
Wattoo constitutes high power committee to restore industrial sector ... by The Frontier Star (Northwest Frontier Province, Pakistan)
 
 
 
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