... 4)Packaging:1.2MT Bags Ore Calcite/Calcium Carbonate Ore Calcite/Calcium Carbonate could be used in :producing handicrafts ... change in colorAbsorption spectrum: possess absorption line for the impurities existenceZooming check: strong birefringence,cleavageSpecial ... tiles, natural rubber, synthetic rubber, paints, plastics, composite a new calcium plastics, cables, paper, toothpaste, cosmetics, glass, ...