Definition of magnesian in English:
 magnesian
adjective maɡˈniːzɪənmaɡˈniːʒ(ə)n
(of rocks and minerals) containing or relatively rich in magnesium.
 Example sentencesExamples
-  Serpentine is a secondary mineral, a magnesian silicate, formed from minerals such as olivine and orthopyroxene.
 -  Most typical of the volcanicity is the presence of ultrabasic lavas and the highly magnesian basic lavas known as komatiites.
 -  Moreover, magnesian and hydrous magmas such as boninites and lamprophyres apparently find no difficulty in traversing the crust.
 -  Most complaints have been about noise from Darrington Quarry East, the part of the site nearest homes, where a large hydraulic hammer is being used to break magnesian limestone rocks.
 -  The kind of ore that attracted iron was once called magnesian stone, because it was discovered in the part of Asia Minor near Magnesia.