7.1" Polished Dumortierite Tower - Madagascar

Dumortierite from Madagascar is typically found in massive form or as inclusions within quartz. When in quartz, it can be identified as blue prismatic or fibrous inclusions that are often mistaken for lazurite or lazulite, neither of which form as fibrous aggregates. Much of the dumortierite from Madagascar seen on the market is included within massive quartz and associated with small pyrite crystals.