单词 | armenite |
释义 | † armeniten.1 Mineralogy. Obsolete. rare. = azurite n. ΘΚΠ the world > the earth > minerals > types of mineral > carbonates > [noun] > azurite Armenian stone1580 lapis Armenus1651 blue copper1728 blue malachite1728 armenite1823 chessylite1852 azurite1868 1823 H. J. Brooke Familiar Introd. Crystallogr. 455 Armenite, is said to be either Quartz or Carbonate of lime coloured by blue Carbonate of copper. 1896 A. H. Chester Dict. Names Minerals 18 Armenite,..an obs[olete] syn[onym] of azurite. This is a new entry (OED Third Edition, June 2016; most recently modified version published online September 2021). armeniten.2 Mineralogy. A rare silicate mineral containing aluminium, calcium, and barium, typically occurring as colourless or greyish-green prismatic crystals.Formula: BaCa2Al6Si8O28.2H2O. Crystal system: trigonal. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > [noun] > others fluosilicate1817 cummingtonite1824 steenstrupine1882 armenite1940 zussmanite1965 1940 H. Neumann in Norsk Geol. Tidsskr. 19 21 (heading) Armenite, a new mineral. 1984 Canad. Mineralogist 22 453/2 Armenite, a rare double-ring silicate of Al, Ca and Ba belonging to the milarite group, was first described by Neumann... Until the present finding, the Armen occurrence, no longer accessible, has provided the only known specimen of the mineral. 2009 B. L. Phillips in R. K. Harris et al. NMR Crystallogr. xxx. 468/2 In armenite Si occurs in both ring and connecting tetrahedra. This is a new entry (OED Third Edition, June 2016; most recently modified version published online December 2021). < |
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