Gem, Rock, and Mineral Postage Stamps Featuring

Mineral Name: Kroehnkite
Composition: Sodium copper sulfate hydrate
Nomenclature: Named after the first person to analyze the mineral, B. Kroehnke.
Industrial Uses: Copper ore.
Additional Notes: A rare mineral. Also known as krohnkite.

Chile Scott 1179a
Scott 1179a
150 pesos
9 Aug 1996

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