“Minerals of Ukraine” , issued on 2009

"Quartz",                 Face value – 1,50 UAH;
"Native Sulphur"        Face value – 1,90 UAH;
"Topaz",                  Face value – 2,00 UAH;
"Beryl",                    Face value – 2,20 UAH;
"Tiger’s-eye",           Face value – 3,30 UAH;
"a-kertschenite",       Face value – 4,85 UAH.

Protection of stamps in the block: light elements of stones luminesce under UV-light. 
Protection of the block: microprint: "Л. Мельнік".
Designer of the block – Larysa Melnik.
Block is multicolored; printing process – offset, relief stamping and embossing by film with holographic effect.
Block is printed on SE “Integrated Printing Plant “Ukraina” for production of securities”.

"Minerals of Ukraine" , issued on 2010

The block consists of six stamps, which depict the minerals:


Source: Post-Stamps.info