Trimex Minerals [P] Ltd. Offers Barite Mud Drilling Mineral. Trimex Minerals [P] Ltd. Manufactures industrial raw materials like ceramic minerals, mud drilling minerals, natural stones and core minerals. The Barite Mud Drilling Mineral is used as a heavy additive in oil-well-drilling mud, in the paper and rubber industries, as a filler or extender in cloth, ink, and plastics products. Barite is a mineral composed of barium sulphate, BaSO4. The high density is responsible for its value.