Nature created crystals and minerals of incredible beauty, which are now illustrated on postage stamps. Our catalog presents a large amount of thematic sets of stamps from manufacturers from different countries, such as: Central African Republic, Senegal, Eritrea, Republic of Togo, Sao Tome and Principe, Republic of Guinea-Bissau, Republic of Niger and others. Minerals, illustrated on the post stamps look very beautiful and unusual. Variety of different stones is illustrated on stamps, for example, avogadrite, azurite, bararite, benitoite, sparrowite, gambergite, rock crystal, zeolite, opal, smoky quartz, calcite, cochite and many others. Post stamps of the "minerals" series will become an excellent addition for your stamp collection! Such an unusual set of stamps will please a geologist who likes crystals, stones and mountain minerals. Price of one set in our catalog is around 1390 – 2490 rubles. There’s additional information on each stamp, which is why the thematic collection of stamps is a very unusual and unique gift for a person who is interested in nature and wants to learn something new.