How to recognize if it is jet black?
Throughout history jet, also called jais or jayet, gagates, lapis tracius, … has been confused with other precious stones or […]
Encuentra la magia
Throughout history jet, also called jais or jayet, gagates, lapis tracius, … has been confused with other precious stones or […]
What is jet-black? Jet-black, also called jais or jayet, gagates, lapis tracius or succinum nigrum, which is even called […]