Some of the commonly used commercial boron derivatives are borax, colemanite, ulexite, kernite, probertite and szaibelyite
(Ozkan et al., 1997).
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(seI) CE acequia (a canal for irrigation), fiance SA sacred, dispensation SAI saint, sailor SE Seder (Passover service), Luiseno (a Shoshone Indian people) shimose (a high explosive), seance SI sind (to rinse), Sinaic SSAY essay(ette) SSEH medresseh (a Muslim college) SZAI szaibelyite
(a hydrous borate of magnesium) CEE fiancee SAE saeter (a meadow associated with a dwelling) SAY saying, calisaya (a valuable Peruvian bark), soothsay SEI seigniorial, seine (a fishing net), abseil, nisei \sayyid SEY Seychelles, causey (a dam) SSA decussate, glissade, cessation SSE masse (a billiards term), chausse (shod) SSEI nissei (an American born of Japanese parents) ZE piazze (var.
More than 230 different types of boron minerals are known in nature, but the number having commercial importance is limited to the following: tincal, colemanite, kernite, ulexite, pandermite, boracite, szaibelyite
The gangue minerals in the veins are quartz, various carbonates, asbestiform and talcose silicates, and much more rarely pyrophyllite and the finely acicular borate szaibelyite
Nifontovite is a hydrated calcium borate mineral, [Ca.sub.3][B.sub.6][O.sub.6](OH)[.sub.12]([H.sub.2]O)[.sub.2], first described from the Novofrolovo mine in the Turinsk ore deposit, Central Ural Mountains, Russia (Malinko and Lisitsyn, 1961), where it occurs in a skarn associated with andraditegrossular and szaibelyite
Other less attractive but interesting species include bismuth minerals (native bismuth, bismuthinite, cosalite, bismutite), tungsten minerals (scheelite, ferberite) and several borates including ludwigite in large, radiated masses, inderite, szaibelyite
and canavesite-a species described in 1978 for which Brosso is the type and, so far, only locality.