Gem, Rock, and Mineral Postage Stamps Featuring

Mineral Name: Chalcanthite
Composition: Copper sulfate hydrate
Nomenclature: Named after the Greek words chalkos and anthos meaning "copper" and "flower" respectively, in reference to its chemical composition and habit.
Industrial Uses: Copper ore.
Additional Notes: Also known as copper vitriol and blue vitriol. Readily dissolves in water.

New Caledonia Scott 472
New Caledonia
Scott 472
15 francs
17 Mar 1982

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