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Oxide Analysis Formula
MgO 24.88% 1.00
SiO2 55.65% 1.50
H2O 19.47%n/a
Oxide Weight 130.44
Formula Weight 161.98


A fiberous magnesium silicate mineral. It can be found in nature as sedimentary or massive. Nontoxic and odorless.
Specific gravity: 2-2.3
Hardness: 2-2.5
Refractory: (melting point is 1500-1700 ℃)
Low thermal expansion.
Can be high in plasticity.
Dissolves in hydrochloric acid.
The chemistry here is theoretical, actual products have contamination of Fe2O3, Al2O3, CaO, etc.

Related Information


Materials Attapulgite
Materials Palygorskite
Materials Talc
A source of MgO for ceramic glazes, a flux or thermal expansion additive in clay bodies, also used in the manufacture of cordierite.
Minerals Attapulgite, Palygorskite
Attapulgite is a magnesium aluminum silicate clay of very fine particle size. It is also known as Fu
Minerals Sepiolite
A clay mineral.
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