tunelliten.
/tʌˈnɛlʌɪt/ Mineralogy.
A hydrated borate of strontium, SrB6O10.4H2O, found as colourless or white monoclinic crystals.
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veatchite1938
tunellite1961
1961 R. C. Erd et al. in Prof. Papers U.S. Geol. Surv. 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 Amer. Mineralogist 49 1549 Tunellite..is isostructural with the Ca analogue, nobleite.
1968 I. Kostov Mineral. 435 Colemanite Group. The following minerals belong to this group:..nifontovite..tunellite..nobleite.
1978 Mercian 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].
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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