magnesium silicate

American  

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.

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Example Sentences

The mantle is made up of iron and magnesium silicate minerals.

From Textbooks • Jan. 1, 2015

It contains something called Youth Boosting Technology, a concoction of ceramide 3, hyaluronic acid, microspheres of magnesium silicate, and silica, among other plant and nutritional supplements.

From New York Times • May 6, 2013

Diop�side, a calcium magnesium silicate, of the pyroxene series, occurring in igneous rocks and altered limestones, with a vitreous lustre, and of a pale-green, or a greenish- or yellowish-white colour.

From The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde by Various

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

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various

French chalk is a soft variety of steatite, a hydrated magnesium silicate.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various