Amber will not be excavated in the area of the Vistula Spirt ditch investment, due to the high excavation cost. As the Maritime Office in Gdynia informs.

Lapis Lazuli is one of the most interesting and vibrant natural gemstones. It is a type of lazurite. It was highly appreciated in ancient times and usually mistaken for sapphire, which occurred only in few sources over the world.

Turquoise is a stone characterized by its intensive blue or blue-green color. It occurs mostly in a form of clumps or veins, among the volcanic rocks. They are often located in a dry climate. The habitat of this semi-precious stone should be rich in aluminum.

We can check the authenticity of amber by using the brine method: the amber floats on the surface of the salty water. Other resins, as well as synthetic materials, sink to the bottom. A more invasive method to check amber authenticity is to set it on fire – real amber will burn with a bright […]

Up to 1100 tonnes of amber raw material can be found in the Lubelskie voivodeship in Poland. It was confirmed by the National Geology Institue of Poland in 2012. It is worth mentioning that 1 kg of the amber is worth 10 000 PLN.