tincalconiten.
/tɪnˈkalkənʌɪt/ Mineralogy.
A hydrated basic borate of sodium, Na2B4O5(OH)4.3H2O, occurring as a fine white powder with rhombohedral symmetry and formed by the dehydration of borax.
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the world > the earth > minerals > types of mineral > borates > [noun] > sodium borate
boraxc1386
chrysocoll1590
chrysocolla1600
altincar1632
green earth1634
tincal1635
tincalconite1892
kernite1927
1878 C. U. Shepard in Bull. Soc. Franç. de Minéral. I. 144 Tincalconite (Shepard). Borax pulvérulent et efflorescent, de Californie.]
1892 E. S. Dana J. D. Dana's Syst. Mineral. (ed. 6) 887 Tincalconite.
1930 Prof. Papers U.S. Geol. Surv. No. 158. 164/2 Tincalconite can readily be made by boiling a solution of borax until crystallization ensues.
1977 Mineral. Abstr. XXVIII. 280/2 Tincalconite and meyerhofferite are thought to be metastable, and unsuccessful attempts to bring about their dehydration to kernite and colemanite are reported.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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n.1892