tychiten.
/ˈtʌɪkʌɪt/ Mineralogy.
A rare mineral consisting of carbonate and sulphate of magnesium and sodium, crystallizing in colourless octahedrons.
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boussingaultite1865
palmierite1907
tychite1909
1909 in Cent. Dict. Suppl.
This entry has not yet been fully updated (first published 1916; most recently modified version published online June 2018).
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n.1909- gregois
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