| 单词 | potch opal |
| 释义 | > as lemmaspotch opal In full potch opal. Opal that has no play of colour and is of little or no value; (also) a flat colour characteristic of this; potch and (or with) colour, potch opal with a very slight or patchy iridescence. 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 the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > quartz > amorphous quartz or opal > others girasol1588 oculus mundi1661 hydrophane1784 cacholong1791 pitchstone1794 pyrophane1794 semi-opal1794 wood-stone1794 fire opal1811 wood-opal1816 sun opal1818 isopyre1827 jasper-opal1843 opal jasper1848 resin opal1850 natural glass1853 pitch opal1861 vitrite1866 jasp-opal1868 opal-agate1868 pearl opal1872 harlequin1873 harlequin opal1887 wax-opal1896 potch1897 moss opal1904 nobby1919 1897 Jrnl. & Proc. Royal Soc. New S. Wales 30 256 The dull, milky, and opaque stones are called ‘potsh’ by the miners. 1900 in J. S. Gunn Opal Terminol. (1971) 35 Demand for potch with color being active. 1912 Empire Mag. Nov. 282/1 A pocketful of ‘potch-and-colour’—that is, ‘potch’ with a slight ‘colour’ of opal. 1958 M. D. Berrington Stones of Fire 24 ‘What's potch?’..‘Opal crystal without fire. Looks some~thing like pieces of crockery.’ 1976 Sci. Amer. Apr. 94/3 The small amounts of precious opal are accompanied by an enormous quantity of valueless ‘potch’ opal, which looks like opal but shows no colour and is generally discarded by the miners. 2000 Lapidary Jrnl. June 37/1 A triplet is a sandwich of a very thin slice of natural opal atop a piece of worthless opal ‘potch’ or host rock. < as lemmas |
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