manganese spar
noun
Mineralogy.
rhodonite or rhodochrosite.
Origin of manganese spar
First recorded in 1815–25
Words nearby manganese spar
mangan-,
manganate,
manganese,
manganese bronze,
manganese nodule,
manganese spar,
manganese steel,
manganese violet,
manganic,
manganic acid,
manganiferous