magnesium silicate

noun

, Chemistry.

1. a white powder, 3MgSiO 3 ⋅5H 2 O, with variable hydration, insoluble in water or alcohol, used as a rubber filler, a bleaching agent, an odor absorbent, and in the manufacture of paints and resins.
2. any silicate containing magnesium, as enstatite, talc, or magnesium trisilicate.

Example Sentences

The true chrysolite of the modern mineralogist is a magnesium silicate, referable to the species olivine.

From Project Gutenberg

Jadeite is a sodium aluminum silicate and nephrite, a calcium magnesium silicate.

From Project Gutenberg

Asbestos consists mostly of magnesium silicate minerals—chrysotile, anthophyllite, and crocidolite.

From Project Gutenberg

Talc is hydrated magnesium silicate, as is also serpentine, a mineral with which talc is closely associated.

From Project Gutenberg