gearksutiten.
/dʒiːˈɑːksuːtʌɪt/ Mineralogy.
Hydrous fluoride of calcium and sodium, of a clay-like appearance.
ΚΠ
1868 J. D. Dana Syst. Mineral. (ed. 5) 130 Gearksutite. Earthy, kaolin~like in aspect.
This entry has not yet been fully updated (first published 1898; most recently modified version published online March 2022).
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n.1868