Composition: Aluminum silicate fluoride hydroxide
Nomenclature: Named after the Greek word "topazion" which originally named a gemstone whose identity is now lost.
Industrial Uses: Gemstones.
Additional Notes: .
Brazil : Scott 1538 : 1.30 cruzeiro : 19 Nov 1977
Topaz
Germany, DDR : Scott 1606 : 20 pfennige : 17 Dec 1974
Topaz
Russia : Scott 2824 : 2 kopecks : 26 Dec 1963
Topaz