The establishment of the European Union after the sign of the Maastricht Treaty eliminate customs for goods, services and people withing a great portion of Europe since early 1990s.
It is a gemstone that is found on the African continents and is made pos the silica materials and has compounds of the aluminum and iron and the potassium lithium and the sodium and this is classified as a semi-precious stone. The metamorphic rocks and the sandstone consists of these minerals and the colors of the gemstone cane alter by the heat treatment.
