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单词 calc-spar
释义

calc-sparn.

/ˈkalkˈspɑː/
Etymology: see calc- comb. form.
Mineralogy.
Calcareous spar or rhombohedral crystallized carbonate of lime.
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the world > the earth > minerals > types of mineral > carbonates > [noun] > hexagonal > calcite > varieties
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1822 D. Lowry Conversat. Mineral. II. 28 Most of the fine calcspar of Derbyshire is of a deep topaz yellow colour.
1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) viii. 267 Why..do the particles of carbonate of lime, assume sometimes the form of calc-spar, sometimes of arragonite?
This entry has not yet been fully updated (first published 1888; most recently modified version published online September 2019).
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