| 单词 | tourmaline |
| 释义 | tourmaline (once / 26207 pages) n WORD FAMILY tourmaline: tourmalines USAGE EXAMPLESThe data was gathered during the winters of 2013-14 and 2014-15, for those that surfed at Tourmaline and Ocean Beach. Los Angeles Times(Oct 21, 2016) The collection of necklaces, earrings and rings combines turquoise beads, pearls, polished enamel, baguette emeralds, diamonds and a sprinkling of Paraiba tourmalines. Forbes(Jul 22, 2015) A violet column of tourmaline from Madagascar that looks so rich he cannot resist the urge to stroke it. Anthony Doerr, All the Light We Cannot See(2014) n a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones Hypo|Hyper schorl black tourmaline mineral solid homogeneous inorganic substances occurring in nature having a definite chemical composition transparent gema gemstone having the property of transmitting light without serious diffusion |
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