Gem, Rock, and Mineral Postage Stamps Featuring
Ruby


Mineral Name: Ruby

Composition: Aluminum oxide

Nomenclature: Named after the Latin word rubeus which means "red" because of its color.

Industrial Uses: Gemstones, precision bearings, abrasives.

Additional Notes: Ruby is the red, gem variety of corundum. A member of the Hematite group of minerals. Generally regarded as the second most precious of the precious gemstones (emerald is first; diamond is third).



Afghanistan : Scott 1300 : 40 afghani : 5 Dec 1988

Ruby (corundum)



Burma/Myanmar : Scott 306 : 50 pyas : 26 Jan 1991

Ruby (corundum)



Comoro Islands : Scott 930a : 375 francs : 1998

Ruby (corundum)



Kenya : Scott 111 : 20 shillings : 13 Dec 1977

Ruby (corundum)



Sri Lanka : Scott 510 : 5 rupees : 16 Jun 1976

Ruby (corundum)



Thailand : Scott 624 : 75 stang : 7 Jun 1972

Ruby (corundum); quartz



Tanzania : Scott 314 : 30 shilling : 22 May 1986

Ruby (corundum)