单词 | dreelite |
释义 | dreeliten. Mineralogy. Obsolete exc. Historical. The former name of a supposed sulphate of barium and calcium (see quots. 1888, 1950). ΚΠ 1836 Amer. Jrnl. Sci. 30 380 Dreelite, a new Mineral Species. 1888 Jrnl. Chem. Soc. 54 33 The mineral termed dreelite by Dufrénoy is shown by the angles of the cleavage planes and by the optical characters to be identical with barytes... Probably..the percentage of calcium sulphate given by Dufrénoy was due to impurities. 1896 A. H. Chester Dict. Names Minerals Dreeite, Dreelite. 1950 M. H. Hey Index Mineral Species 370 Dréelite,..a mixture of baryte, gypsum, etc. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2020). < n.1836 |
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