Gem, Rock, and Mineral Postage Stamps Featuring

Mineral Name: Alunite
Composition: Potassium aluminum sulfate hydroxide
Nomenclature: Named after the Latin alnit, which means "alum."
Industrial Uses: Used to manufacture alum and potash.
Additional Notes: Alunite is also known as aluminilite.

China (ROC) Scott 3122
China (ROC)
Scott 3122
8 May 1997

The stamp shows a natural, unpolished mineral specimen. Philatelic Mineralogy Copyright © 1997-2010 by Richard Busch