(thing) by CentrX Mon Oct 02 2000 at 21:50:35

A semihard, hydrous material, KAl3(SO4)2(OH)6, used to produce alum.

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(definition) by Webster 1913 Tue Dec 21 1999 at 21:44:43

Al"u*nite (#), n. Min.

Alum stone.

 

© Webster 1913.

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