单词 | collophanite |
释义 | collophaniten. Mineralogy. = collophane n. ΘΚΠ the world > the earth > minerals > types of mineral > phosphates > [noun] > phosphate of lime or apatite > varieties spargelstone1804 asparagus stone1816 francolite1843 fluorapatite1849 staffelite1868 collophanite1892 fermorite1910 steadite1911 hydroxyapatite1912 wilkeite1914 collophane1917 hydroxylapatite1927 1892 E. S. Dana J. D. Dana's Syst. Mineral. (ed. 6) 808 Collophanite occurs on the island of Sombrero. 1917 A. F. Rogers in Jrnl. Geol. (Chicago) 25 531 Collophane is a calcium carbonophosphate approaching the formula given above. [Note] Dana changed kollophan to collophanite, but since the name has not come into general use it is preferable to use the English equivalent of the original. 1955 J. C. Brown & A. K. Dey India's Mineral Wealth (ed. 3) xii. 479 Collophanite, the hydrated calcium phosphate, Ca3(PO4)2.H2O..may be amorphous, massive, concretionary or banded, white, grey, or brown and earthy, and..it completely lacks any physical properties that are really diagnostic. 1963 Mineral. Abstr. 16 211/2 The centre [of the concretions] is composed of coprolites consisting of collophanite with inclusions of fish bones. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018). < n.1892 |
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