Connell Bros. Company Ltd. Supplies Ground Calcium Carbonate - GCC or Limestone. Connell Bros. Company Ltd. Offers coating inks, plastic rubbers, food ingredients and personal and household care. Ground Calcium Carbonate - GCC or Limestone is a common sedimentary rock composed primarily of the calcium carbonate mineral, calcite. Ground Calcium Carbonate - GCC or Limestone constitutes approximately 10 percent of the sedimentary rocks exposed on the earth`s surface. It is used as cut dimension stone [blocks and slabs] for building. The limestone colour can range from brilliant white to light grey and chemical purity can range from only 80-90% calcium carbonate to well over 99.9% purity.
