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单词 tunellite
释义 tunellite Min.|tʌˈnɛlaɪt|
[f. the name of George Tunell (b. 1900), U.S. geologist + -ite1.]
A hydrated borate of strontium, SrB6O10.4H2O, found as colourless or white monoclinic crystals.
1961R. C. Erd et al. in Prof. Papers U.S. Geol. Survey No. 424-c 294/1 Tunellite was first noted..in some samples collected in 1957 from a ventilating shaft in the Jenifer mine, Kramer borate district, California.1964,1968[see nobleite].1978Mercian Geologist VI. 263 Tunellite..has been found only in the lower part of the borate zone in the Emet deposits in the clay layers in the Kirka deposits [in Turkey].
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