thenardite
The*nard"ite, n. Etym: [Named after the French chemist, L.J.Thénard.] (Min.) Defn: Anhydrous sodium sulphate, a mineral of a white or brown color and vitreous luster.
The*nard"ite, n. Etym: [Named after the French chemist, L.J.Thénard.] (Min.) Defn: Anhydrous sodium sulphate, a mineral of a white or brown color and vitreous luster.