Showing papers by "Alain Levasseur published in 1971"

TL;DR: In this article, the M 2 B 5 O 9 X phases have been isolated in the B 2 O 3 MO 2 (M = Ca, Sr, Ba, Eu, Pb; X = Cl, Br) systems.

TL;DR: In this article, a new boracite type with formula Li 4 B 7 O 12 X (X = Cl, Br) has been isolated in the system B 2 O 3  Li 2 O ǫ LiX.