Gemstones are often dealt with to reinforce the colour or clarity of the stone.[41] In some instances, the treatment placed on the gemstone may improve its sturdiness. Regardless that pure gemstones is often reworked applying the standard way of cutting and sprucing, other cure selections allow the stone's look to https://caluanie-muelear-oxidize26936.azzablog.com/30063641/considerations-to-know-about-caluanie-muelear-oxidize-sản-xuất-ở-đâu