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单词 rhomb spar
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rhomb spar
rhomb spar n. [compare German Rhomboidalspath (18th cent.)] Mineralogy Obsolete = dolomite n. a.
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the world > the earth > minerals > types of mineral > carbonates > [noun] > hexagonal > dolomite > varieties
pearl spar1793
miemite1804
rhomb spar1804
gurhofite1816
brown-spar1843
pennite1850
tharandite1850
kutnahorite1907
huntite1953
protodolomite1955
1804 R. Jameson Syst. Mineral. I. 516 Calc Genus. Seventh Species. Rhomb-spar.
1837 J. D. Dana Syst. Mineral. 197 The names Rhomb spar and Bitter spar, have been applied to the perfectly crystallized specimens [of dolomite], excepting those with curved faces and a pearly lustre, which have been designated Pearl spar.
1898 Proc. Amer. Philos. Soc. 37 117 The limestones in the bluffs..contain in the cavities of their fossils crystals of pyrite and rhomb spar.
extracted from rhombn.
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