Also, sometimes there are different names of this stone in the market, for example:Swiss Lapis (Painted jasper or chalcedony)German Lapis (Painted jasper)Canadian Lapis (The same as sodalite)so you should not confuse them with lapis lazuli gemstone
Now, if the amount of pyrite is high, Azure can be seen as a green or matte background. In Lapis lazuli from Chile (north of Santiago) and Russia, they have a lower value due to the presence of prominent streaks and white spots of calcite.
Synthetic Azure Stones
In the field of production of synthetic azure stone, although many jewelers do not consider it a fundamental center. In 1954, artificial glassware such as Spinel was dyed with cobalt oxide and sold as lapis lazuli, which is easy to detect because it does not contain any inclusions or substances such as pyrite.
Stones that you may confuse with natural azure!
Azure Stone can be used with Stones such as lazurite, sodalite, azurite, blue jasper, or be mistaken for dumortierite. Nowadays, stones often dye low-quality azure, which depending on the quality of the Resin used and its processing method, this stone may fade or remain unchanged over time.
For example, dolomitic Marble (Jade Mountain or Jasper or Howlite painted with blue resin and polished with oil. On the other hand, some eat the azure and squeeze it together with plastic.
In German Neukrish, the jade-brown gray powder is melted in a blue process and marketed as Swiss lapis lazuli. Others use pyrite to beautify this stone.
Also, sometimes there are different names of this stone in the market, for example:
- Swiss Lapis (Painted jasper or chalcedony)
- German Lapis (Painted jasper)
- Canadian Lapis (The same as sodalite)
so you should not confuse them with lapis lazuli gemstone.
