= spinel, n. 1b 2 (cf. 2).
单词 | θ6739 |
释义 | the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > spinel group AB2 O4 (39) spinelle ruby1802 = spinel, n. 1b 2 (cf. 2). spinelle1804 Mineralogy. = spinel, n. 2. spinel1807 Mineralogy. The typical species of a group of minerals (the spinel group), which are compounds of sesquioxides with protoxides, and crystallize in… Subcategories:— maghemite (2) — gahnite (4) — ceylonite (3) — magnetite (9) — others (18) |
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