Gem, Rock, and Mineral Postage Stamps Featuring

Mineral Name: Enargite
Composition: Beryllium aluminum silicate hydroxide
Nomenclature: Named from the Greek words eu meaning "well" and klasis meaning "breaking," a reference to the property of euclase to cleave (break along flat planes) easily.
Industrial Uses: Gemstones.
Additional Notes: Also referred to as euclasite.

Comoro Islands Scott 930d
Comoro Islands
Scott 930d
375 francs

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