mullites

mullite

[muhl-ahyt]
noun
a rare clay mineral, aluminum silicate, Al 6 Si 2 O 1 3 , produced artificially during various melting and firing processes: used as a refractory.
Also called porcelainite.


Origin:
1924; after Mull, source of the rocks in which it was first identified; see -ite1

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World English Dictionary
mullite (ˈmʌlaɪt)
 
n
a colourless mineral consisting of aluminium silicate in orthorhombic crystalline form: used as a refractory. Formula: Al6Si2O13
 
[from island of Mull]

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