Tourmaline, esp. the black variety.
单词 | θ215595 |
释义 | society > occupation and work > materials > raw material > gem or precious stone > tourmaline > [noun] > varieties of (5) schorla1773 Tourmaline, esp. the black variety. rubellite1794 A pinkish-red lithium-rich variety of tourmaline, often of gem quality. siberite1802 = rubellite, n. indicolite1808 An indigo-coloured variety of tourmaline. zeuxite1836 A green mineral later identified as a variety of tourmaline. |
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