Caryopilite has been found in association with brandtite, calcite, gonyerite, jacobsite, lead, manganoan calcite, rhodonite, sarkinite, tirodite.
2.
These minerals are found in high-grade metamorphic banded iron formation and form a compositional series between Mn 2 Mg 5 Si 8 O 22 ( OH ) 2 ( tirodite ) and Mn 2 Fe 5 Si 8 O 22 ( OH ) 2 ( dannemorite ).