Min. [f. Boussingault, name of a French geologist + -ITE.] A volcanic mineral product.
1865. Athenæum, No. 1944. 130/3. Boussingaultite, a natural product of Tuscany, consisting chiefly of sulphate of ammonia.
1868. Dana, Min., § 651. Boussingaultite, a sulphate of ammonia with part of this alkali replaced by magnesia.
