| 单词 | dogtooth spar |
| 释义 | > as lemmasdogtooth spar dogtooth spar n. Mineralogy a variety of calcite in the form of dogtooth crystals (see Compounds 2). ΚΠ 1728Dog-Tooth-Spar [see Compounds 2]. 1823 H. J. Brooke Familiar Introd. Crystallogr. 87 The dodecahedral variety of carbonate of lime, commonly called dog-tooth spar. 1969 Jrnl. Paleontol. 43 288/1 Infilling of the original lime mud matrix into roughly equidimensional cavities that were lined by dog-tooth spar. 1989 Garden Hist. 17 24 Calcite..is common throughout the grotto in a variety of crystal habits, including large dog tooth spar crystals. < as lemmas |
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