Explanation
Sulfate minerals with simple island like structures. Calcium and barium often replace strontium. The crystal is in plate or column shape; Aggregates are granular, tabular, fibrous, and sometimes bell shaped or nodular. Light blue. Sometimes colorless and transparent. glass luster, fluorescence under ultraviolet light. It mainly occurs in limestone, white S rock, marl and gypsum bearing clay rock. It is the product of sedimentation; It also occurs in hydrothermal deposits and caves of basic extrusive rock. It is the main raw mineral material for strontium extraction.
Classification
Natural materials and products -> Mineral materials