Calcium Carbonate ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ« Back to Glossary IndexTags: Conservation, Gilding, Historic Frames, PaperUsed as a filler in alkaline paper-making, as coating pigment and as a buffering agent. Often an ingredient in gesso. Related Glossary Terms: Acrylic GessoGesso« Back to Glossary Index