| 单词 |
diamond-spar |
| 释义 |
diamond-spar Min. [ad. Ger. demantspath (Klaproth 1786), so called from its extreme hardness.] (See quot.)
1804R. Jameson Min. I. 93. 1807 J. Murray Syst. Chem. III. 593 The Diamond spar, which has been distinguished from corundum, appears to be a variety of it. |

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