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calc-spar
or calc·spar
[ kalk-spahr ]
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Word History and Origins
Origin of calc-spar1
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Example Sentences
Argentine, a silvery-white slaty variety of calc-spar, containing a little silica with lamin usually undulated.
From Project Gutenberg
The minerals composing the veins are either quartz, calc-spar, or sulphate of baryta.
From Project Gutenberg
This mineral is tender, scarcely scratches calc-spar, and breaks easily with a waved conchoidal fracture.
From Project Gutenberg
The stone has a gray colour and bituminous smell, and contains much interspersed calc-spar.
From Project Gutenberg
Its structure is compact, with little lustre, except from facets of disseminated calc-spar.
From Project Gutenberg
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