Zincowoodwardite-1T: [Zn1BxAlx(OH)2][(SO4)x/2·n(H2O)], x = 0.33, n . 0.96 Zincowoodwardite-3R: [Zn1BxAlx(OH)2][(SO4)x/2·n(H2O)], 0.32 < x < 0.50, n = 0.59
Comments:
Zincowoodwardite-1T and zincowoodwardite-3R spherical aggregates. Holotype specimen for both species.