Crystallography. A twinned crystal; esp. a flat, triangular diamond that is a twinned crystal.
| 单词 | θ70602 |
| 释义 | the world > matter > chemistry > crystallography (general) > crystal (general) > crystal types > [noun] > composite crystals > twin (9) macle1798 Crystallography. A twinned crystal; esp. a flat, triangular diamond that is a twinned crystal. twina1824 Crystallography. A composite crystal consisting of two (usually equal and similar) crystals united in reversed positions with respect to each… Subcategories:— types of (3) — formation of (1) — Neumann bands (2) — contactual union between twinned crystals (1) |
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