allochroite

/ˌæləˈkrɔɪt/

Definitions

1. noun

A rare mineral species of manganese carbonate, (Mn,Fe)CO3·6H2O, occurring in a black variety of rhodochrosite.

“The geologist was studying the unique properties of allochroite in the museum’s collection.”

Synonyms

  • manganese carbonate
  • rhodochrosite

Antonyms

  • oxide
  • silicate