Gem, Rock, and Mineral Postage Stamps Featuring

Mineral Name: Carnelian
Composition: Silicon oxide
Nomenclature: Named after the Latin word carneus which means "flesh" because of its color.
Industrial Uses: Gemstones.
Additional Notes: Carnelian is a variety of chalcedony that is impregnated with iron compounds to produce a red or reddish-brown color. Chalcedony is a cryptocrystalline (crystals of sub-microscopic size) variety of quartz with a somewhat waxy appearance.

New Zealand Scott 759
Carnelian (Quartz)
New Zealand
Scott 759
5 cents
1 Dec 1982

The stamp shows a cross-section of a geode. Philatelic Mineralogy Copyright © 1997-2010 by Richard Busch