Notable deposits exist in North Rhine–Westphalia, Ger.; Strontian, Scot.; and Strontium Hills, Calif., U.S. Strontianite is used in pyrotechnics to impart a red colour and in sugar refining as a clarifying agent.

What are carbonate minerals used for?

The carbonates have several important uses—Ca carbonates in the manufacture of cement, dolomite in refractory materials, and siderite and rhodochrosite as sources of iron and manganese.

How is Strontianite formed?

Strontianite is an uncommon low-temperature hydrothermal mineral formed in veins in limestone, marl, and chalk, and in geodes and concretions. ... These two minerals are often found in association, together with baryte, calcite, harmotome and sulfur.