ferromagnesian
/ˌfɛroʊmæɡˈniːʒən/
adjective
- Containing iron and magnesium; used especially to describe certain minerals and rocks.
- Geologists study ferromagnesian silicates to understand Earth's mantle.
- Ferromagnesian minerals are usually dark in color and dense.
- Olivine is a common ferromagnesian mineral found in volcanic rocks.
Synonyms