They also discussed the polytypism of bementite. Description Figure 18-26. The lath-like habit may result from bementite replacing barite. Specimen is 9 cm in maximum dimension. Photo by the author.
Visual identification is very difficult.
Material from the Parker Mine occurrence is platy for the most part, with substantial textural variance from specimen to specimen. Specimen is 10 cm in maximum dimension. Photo by the author. Composition Table 16. Chemical analyses of bementite.