单词 | schorl |
释义 | schorln. Mineralogy. Tourmaline, esp. the black variety. Formerly applied loosely to various other minerals, esp. with prefixed adjective, as in white schorl, a name for albite, blue schorl, hauyne, etc. ΘΚΠ society > occupation and work > materials > raw material > gem or precious stone > tourmaline > [noun] > varieties of schorla1773 rubellite1794 siberite1802 indicolite1808 zeuxite1836 the world > the earth > minerals > types of mineral > silicates > cyclosilicates > [noun] > tourmaline > schorl schorla1773 schorl-rock1811 schorl-schist1885 1763 E. M. da Costa in Philos. Trans. 1762 (Royal Soc.) 52 446 The miners of Germany vulgarly call them Schirl, and sometimes our English miners name them Cockle and Call.] a1773 G. Edwards Elements Fossilogy (1776) 109 Basaltes, or shirl, or cockle. 1777 G. Forster Voy. round World II. ii. v. 26 The rocks..contained volcanic productions, or different kinds of lava, some of which are full of white and greenish sherls. 1779 Philos. Trans. (Royal Soc.) 69 24 It is evident that skirl contains nearly as much earth of allum as the Cornish porcellane clay. 1784 E. Cullen tr. T. Bergman Physical & Chem. Ess. II. 125 A form which, even among the schoerls themselves, is extremely rare. 1789 J. Williams Nat. Hist. Mineral Kingdom II. 178 Shirl is a hard and heavy substance, of a shining jet black. 1789 Philos. Trans. (Royal Soc.) 80 81 Indurated clay and shoerl. 1811 J. Pinkerton Petralogy II. 132 This rock is chiefly composed of the common black shorl, the black tourmaline of Haüy. 1855 J. R. Leifchild Cornwall: Mines & Miners 72 Schorl may be observed between and approaching the joints of granite in many places, as, for example, near the Logan stone. 1894 S. Baring-Gould Deserts S. France I. 106 These are sandstone, schorls, and clays. Compounds schorl-rock n. (see quot. 1882). ΘΚΠ the world > the earth > minerals > types of mineral > silicates > cyclosilicates > [noun] > tourmaline > schorl schorla1773 schorl-rock1811 schorl-schist1885 1811 J. Pinkerton Petralogy II. 132 Shorl rock. 1838 C. Lyell Elem. Geol. 201 Schorl rock and schorly granite. 1882 A. Geikie Text-bk. Geol. ii. ii. §6. 134 Tourmaline rock or schorl-rock, is a crystalline aggregate of quartz and black tourmaline or schorl. schorl-schist n. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > cyclosilicates > [noun] > tourmaline > schorl schorla1773 schorl-rock1811 schorl-schist1885 1885 A. Geikie Text-bk. Geol. (ed. 2) ii. ii. §7. 131 Tourmaline-schist (Schorl-schist). This entry has not yet been fully updated (first published 1910; most recently modified version published online March 2022). < n.a1773 |
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