編號 98866758

編號 98866758

Lazurite, old name Azure spar is a tectosilicate mineral with sulfate, sulfur and chloride with formula (Na, Ca)₈[(S, Cl, SO₄, OH)₂|]. It is a feldspathoid and a member of the sodalite group. Lazurite crystallizes in the isometric system although well‐formed crystals are rare.