Minerals and stones

Mozambique 2013 21€ Minerals and Ores of Africa

Guinea Bissau 2011 16€ Set - Minerals and ores

Guinea Bissau 2014 Mi.7366-9+Bl.1292 26€ African minerals and rocks

Guinea 2013 Mi.9954-6+Bl.2263 38€ African minerals and rocks

Jersey 2012 Dolmens and prehistoric stones, Archaeology

Niger 2016 Mi.4167-0+Bl.538 22€ Minerals and Rocks of Africa

Niger 2015 Mi.3590-2+Bl.465 27€ Minerals, wulfenite, legrandite

Mozambique 2013 Mi.6279-2+Bl.707 23€ African minerals and rocks

Niger 2015 Mi.3852-5+Bl.475 €27 Minerals, amethyst, barite, sulfur

Niger 2016 Mi.4412-5+Bl.587 26€ Minerals and artifacts, minerals

Niger 2013 Mi.2273-6+Bl.195 €22 Volcanoes and minerals, Popocatepetl

Maldives 2014 Mi.5390-3+Bl.741 20€ Minerals and ores, Marcasite

Mozambique 2013 Mi.6792-5+Bl.798 21€ - Minerals of Africa, minerals

Guinea Bissau 2015 Mi.8217-0+Bl.1426 27€ Minerals and mining in Africa

Guinea-Bissau 2011 Mi.5303-6+Bl.909 €27 Minerals and chemistry, Diamond

Guinea-Bissau 2010 Mi.4985-0+Bl.862 24€ Minerals, Adamin, Moldavian

Mozambique 2013 Mi.6637-0+Bl.767 €23 Minerals and volcanoes, topaz, beryl

Guinea Bissau 2015 Mi.7557-0 €14 Set - Minerals, Malachite Wulfenite

Guinea-Bissau 2014 Mi.7271-4+Bl.1273 27€ - African minerals

Guinea Bissau 2014 Mi.7366-9+Bl.1292 €26 Minerals, Amethyst, Nadorite

Guinea Bissau 2014 Mi.7271-4+Bl.1273 €27 Minerals, Hematite, Azurite

Saint Thomas 2015 Mi.6101-4+Bl.1072 16€ Minerals and rainforest ecosystem

Mozambique 2013 Mi.6279-2+Bl.707 €23 Minerals, tourmaline, aquamarine