Magnesite
[mægnisait]
Definition
(noun.) a white mineral consisting of magnesium carbonate; a source of magnesium.
Editor: Stanton--From WordNet
Definition
(n.) Native magnesium carbonate occurring in white compact or granular masses, and also in rhombohedral crystals.
Typist: Maxine
Synonyms and Synonymous
n. Meerschaum, sea-foam, hydrous silicate of magnesia.
Checked by Eli