collophanen.

/ˈkɒləfeɪn/

Etymology: < German kollophan (K. L. F. von Sandberger 1870, in Neues Jahrb. f. Min., Geol. u. Paläont. 308), < Greek κόλλα glue + -o + ϕανός bright, clear (ϕαίνειν to show).

Mineralogy.

Any of the massive cryptocrystalline varieties of apatite, consisting largely of phosphate and carbonate of calcium, which are the main constituents of phosphate rock and fossil bone.

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

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.

1962 W. A. Deer et al. Rock-forming Minerals V. 334 The mineralogy of such phosphorites is complex...The name collophane has been applied to the cryptocrystalline mineral component, and is a term analogous to ‘limonite’: it is of use only when the apatite-like phase cannot be definitely identified.

1966 Bull. Geol. Surv. Great Britain xxv. 19 During an investigation by the Atomic Energy Division into the occurrence of uranium in phosphates, uraniferous collophane was identified in specimens collected..from Odin Mine, near Castleton.

This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018).

单词	collophane
释义	collophanen. /ˈkɒləfeɪn/ Etymology: < German kollophan (K. L. F. von Sandberger 1870, in Neues Jahrb. f. Min., Geol. u. Paläont. 308), < Greek κόλλα glue + -o + ϕανός bright, clear (ϕαίνειν to show). Mineralogy. Any of the massive cryptocrystalline varieties of apatite, consisting largely of phosphate and carbonate of calcium, which are the main constituents of phosphate rock and fossil bone. 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 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. 1962 W. A. Deer et al. Rock-forming Minerals V. 334 The mineralogy of such phosphorites is complex...The name collophane has been applied to the cryptocrystalline mineral component, and is a term analogous to ‘limonite’: it is of use only when the apatite-like phase cannot be definitely identified. 1966 Bull. Geol. Surv. Great Britain xxv. 19 During an investigation by the Atomic Energy Division into the occurrence of uranium in phosphates, uraniferous collophane was identified in specimens collected..from Odin Mine, near Castleton. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018). < n.1917
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