A general term for a number of crystalline minerals more or less lustrous in appearance and admitting of easy cleavage.
| 单词 | θ7260 |
| 释义 | the world > the earth > minerals > types of mineral > [noun] > white lamellar mineral (8) spar1581 A general term for a number of crystalline minerals more or less lustrous in appearance and admitting of easy cleavage. spaad1594 A variety of talc, gypsum, or spar, or a powder prepared from one or other of these, mainly used to form moulds for casting metal objects. spar-stone1694 A stone or rock having a crystalline appearance; quartz, spar. spat1706 = spar, n.2 sugar-spar1730 (see quot.). spath1763 = spar, n.2 chesil spar1835 a mineral. Subcategories:— piece of (1) |
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