Triplet A triplet is a kind of composite stone that contains out of three parts. A good example is the opal triplet which often is an ironstone backing dressed with a slice of precious opal which on its turn is covered by a crystal cabochon. In this way the opal is...
Turnau Turnau is the German name for the town Turnov in the Czech Republic (Bohemia). It has traditionally been the trade and cutting center for bohemian garnets which were very popular during the 19th century. Bohemian Garnet Pendant/Locket, c.1900...
