Additional Names:
Noir Veine...
Noir Veine,Belge Bleu,Black Blue Stone,Belgian Blue,Belgian Bluestone,Belgisch Blaustein,Belgisch Bleu,Blue Stone Diamond Cut,Belgium Blue Stone,Belgisch Blue,Belgischer Blaustein,Belgium Blue,Belgium Bluestone,Bleue Belge,Blue Belge,Pierre Bleue Belge,Belgian Blue hardstone