Connell Bros. Company Ltd. Supplies Acid Resistant Barite Mineral. Connell Bros. Company Ltd. Offers coating inks, plastic rubbers, food ingredients and personal and household care. Acid Resistant Barite Mineral can occur in numerous colours like in white, brown, yellow, red and grey which are most common. Acid Resistant Barite Mineral is used as a weighting agent in natural gas and oil field drilling mud. The density of barite helps in down-hole flow and bit lubrication. It is used in paint and powder coatings for metal protection and processing improvement. This mineral is also used in friction products such as brake pads and clutch surfaces.