boracite
(noun)
noun
1. (mineralogy) A mixed chloride and borate of magnesium that occurs as a white to green crystalline evaporite, with the chemical formula Mg3B7O13Cl.
(noun)
1. (mineralogy) A mixed chloride and borate of magnesium that occurs as a white to green crystalline evaporite, with the chemical formula Mg3B7O13Cl.