Dargaite is a rare mineral with formula BaCa₁₂(SiO₄)₄(SO₄)₂O₃. It is the

barium Barium is a chemical element with the symbol Ba and atomic number 56. It is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Because of its high chemical reactivity, barium is never found in nature as a free element. Th ...

-analogue of nabimusaite, also differing from it in the lack of fluorine. It is one of many recently approved new minerals coming from the Hatrurim complex. Dargaite, as nabimusaite, is trigonal (space group ''R''-3''m'').

References

Silicate minerals Sulfate minerals Calcium minerals Barium minerals Trigonal minerals Minerals in space group 166 {{mineral-stub