tephroite

English

Etymology

tephro- +‎ -ite

Noun

tephroite (countable and uncountable, plural tephroites)

1. (mineralogy) An orthorhombic-dipyramidal mineral containing manganese, oxygen, and silicon.

References

• David Barthelmy (1997–2024) “Tephroite”, in Webmineral Mineralogy Database.