Composition: Zinc sulfide
Nomenclature: Named after the Greek word "sphaleros" which means "misleading" because of its similarity to lead ores such as galena.
Industrial Uses: Zinc ore.
Additional Notes: Also referred to as zinc blende, mock lead ore, and false galena.
Bulgaria : Scott 3897 : 2 leva : 20 Nov 1995
Sphalerite
Spain : Scott 2763b : 29 pesetas : 25 Feb 1994
Sphalerite
Yugoslavia : Scott 1500 : 4.90 dinar : 10 Sep 1980
Sphalerite