ramsdellite

English

Etymology

Named in honour of Lewis Stephen Ramsdell (1895-1975), Professor of Mineralogy at the University of Michigan, who first discovered the mineral

From Ramsdell +‎ -ite.

Noun

ramsdellite (countable and uncountable, plural ramsdellites)

1. (mineralogy) A black or gray orthorhombic mineral form of manganese dioxide

References

• Ramsdellite at https://www.mindat.org/