LUDWIGITE GROUP
MINERAL GROUPS guide
azoproite
(Mg,Fe)
2
(
Fe,Ti,Mg)BO
5
bonaccordite
Ni
2
FeBO
5
chestermanite
Mg
2
(Fe,Mg,Al,Sb)BO
5
fredrikssonite
Mg
2
(Mn,Fe)BO
5
ludwigite
Mg
2
FeBO
5
vonsenite
Fe
2
FeBO
5