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 : 5 cent : 1 Dec 1982
Carnelian (quartz)