Composition: Simple silicates containing iron, magnesium, manganese, or nickel
Nomenclature: Named after the German word "olivenerz" which means "olive ore" because of its green color.
Industrial Uses: Gemstones.
Additional Notes: A group of chemically- and structurally-related minerals. The gem variety of olivine is called peridot.
Afars & Issas : Scott 350 : 15 francs : 8 Oct 1971
Olivine basalt [thin-section under polarized light]
Afars & Issas : Scott 352 : 40 francs : 25 Jan 1971
Olivine diabase (olivine dolerite) [thin-section under polarized light]
French Southern and Antarctic Territories : Scott 203 : 1.00 franc : 2 Jan 1995