kornerupine


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kornerupine

[‚kȯr·nə′rü‚pēn]
(mineralogy)
(Mg,Fe,Al)20(Si,B)9O43 A colorless, yellow, brown, or sea-green mineral composed of magnesium iron borosilicate.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Graining in pink diamond * Yellow HPHT-treated rough diamond * Color-zoned emerald * Orange faceted eosphorite * Large faceted hibonite * Dyed and natural green jadeite * Coated kornerupine beads * Assembled cultured blister pearl * Large abalone pearls * Irradiated green-blue CVD synthetic diamonds * Polished topaz imitating diamond rough.
Malosa, Malawi; loose, crude, thumbnail-size, gray-green crystals of kornerupine from Betroka, Madagascar; loose, sharp crystals of rutile from Alto Ligonha, Mozambique; and plenty more.
Crystals of ruby corundum, kornerupine, titanite and epidote have been reported on by McColl et al.
And, finally, in a newly abandoned quartzite quarry at Stakholmen, about 50 km southwest of Sundsvall, huge, elongated, divergent masses of gray kornerupine have been discovered.
(1985) Untersuchungen an Kornerupine und Sinhalit von Elahera, Sri Lanka.