3, Pietra Dura: Italian, literal meaning for hard stone. Will save chacedony), agate with (agate), jasper ((jasper), days lapis lazuli) activation (a hard gem cutting long strips, then use Mosaic order a pattern, this is in popular in the Italian Renaissance Florence's jewelry production methods, by the world like seventeenth-century still. Pietra Dura jewelry are usually in the base of the darker color, good let design ranks graph is more obvious.



Cixin pins but in blue of the rigid base, enchase on other different colors of precious stones


Cixin combining these 14K gold pocket watch surface, luxuriant, nobility