alumocalciten.

Brit.

/əˌl(j)uːmə(ʊ)ˈkalsʌɪt/, U.S.

/əˌluməˈkælˌsaɪt/

Origin: A borrowing from German. Etymon: German Alumocalcit.

Etymology: < German Alumocalcit ( A. Breithaupt Vollständige Charakteristik des Mineral-Syst. (ed. 3, 1832) 97; < alum- (in †Alumina alumina n.) + -o- -o- connective + classical Latin calc- , calx lime (see calx n.) + German -it -ite suffix¹), with remodelling of the ending after words in -ite suffix¹. Compare alumo- comb. form. Compare earlier siderocalcite n. at sidero- comb. form¹ 1 and later calcite n.

Mineralogy. Now rare.

A variety of opal containing lime and alumina as impurities.

ΘΚΠ

society > occupation and work > materials > raw material > gem or precious stone > opal > [noun] > varieties of

girasol1588

oculus mundi1661

eye of the world1730

hydrophane1784

cacholong1791

pitchstone1794

pyrophane1794

semi-opal1794

fire opal1811

sun opal1818

isopyre1827

alumocalcite1832

jasper-opal1843

opal jasper1848

resin opal1850

pitch opal1861

jasp-opal1868

opal-agate1868

harlequin1873

harlequin opal1887

wax-opal1896

potch1897

pinfire1902

moss opal1904

nobby1919

1832 C. U. Shepard Treat. Mineral. 317 (heading) Alumocalcite..milk-white, inclining to blue.

1866 C. Knight Nat. Hist. I. 139 Alumo-calcite..occurs in the clefts of ironstone veins at Eybenstock.

1886 Q. Jrnl. Geol. Soc. 42 432 The material which seems to come nearest to this in composition and properties is the ‘alumo-calcite’ of Kersten, found at Eibenstock, near Rézbánya.

1951 M. L. Wolf Dict. Arts 26 Alumocalcite, in lapidary art, an undesirable variety of opal containing alumina and lime as impurities.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	alumocalcite
释义	alumocalciten. Brit. /əˌl(j)uːmə(ʊ)ˈkalsʌɪt/, U.S. /əˌluməˈkælˌsaɪt/ Origin: A borrowing from German. Etymon: German Alumocalcit. Etymology: < German Alumocalcit ( A. Breithaupt Vollständige Charakteristik des Mineral-Syst. (ed. 3, 1832) 97; < alum- (in †Alumina alumina n.) + -o- -o- connective + classical Latin calc- , calx lime (see calx n.) + German -it -ite suffix¹), with remodelling of the ending after words in -ite suffix¹. Compare alumo- comb. form. Compare earlier siderocalcite n. at sidero- comb. form¹ 1 and later calcite n. Mineralogy. Now rare. A variety of opal containing lime and alumina as impurities. ΘΚΠ society > occupation and work > materials > raw material > gem or precious stone > opal > [noun] > varieties of girasol1588 oculus mundi1661 eye of the world1730 hydrophane1784 cacholong1791 pitchstone1794 pyrophane1794 semi-opal1794 fire opal1811 sun opal1818 isopyre1827 alumocalcite1832 jasper-opal1843 opal jasper1848 resin opal1850 pitch opal1861 jasp-opal1868 opal-agate1868 harlequin1873 harlequin opal1887 wax-opal1896 potch1897 pinfire1902 moss opal1904 nobby1919 1832 C. U. Shepard Treat. Mineral. 317 (heading) Alumocalcite..milk-white, inclining to blue. 1866 C. Knight Nat. Hist. I. 139 Alumo-calcite..occurs in the clefts of ironstone veins at Eybenstock. 1886 Q. Jrnl. Geol. Soc. 42 432 The material which seems to come nearest to this in composition and properties is the ‘alumo-calcite’ of Kersten, found at Eibenstock, near Rézbánya. 1951 M. L. Wolf Dict. Arts 26 Alumocalcite, in lapidary art, an undesirable variety of opal containing alumina and lime as impurities. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1832
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