How to use calc-spar in a sentence
These reticul are commonly in the slate of calcspar, crystallized in minute crystals.
He was examining an especially fine specimen of calcspar, when it fell from his hands and was broken.Catholic Churchmen in Science|James J. Walsh
The materials employed are sand, sulphate of soda, nitrate of soda, calcspar and in some works carbonate of barium.
The limestone at this locality is white and saccharoid, with large rhombohedral crystals of calcspar.In the Arctic Seas|Francis Leopold McClintock