| 单词 | schorl |
| 释义 | schorl (once / 218877 pages) n WORD FAMILY schorl USAGE EXAMPLESGreisen is closely connected with schorl rock both in its mineralogical composition and in its mode of origin. Various, Encyclopaedia Britannica, 11th Edit...(2011) In the tourmaline granites prisms of black schorl occur either singly or in stellate groups. Various, Encyclopaedia Britannica, 11th Edit...(2011) On its northern slope is a vast mass of schorl, the celebrated Roche Rock. Scott, C. A. Dawson, Nooks and Corners of Cornwall(2010) n black tourmaline Hyper tourmaline 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 |
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