High porcelain blue turquoise will change color. After playing for a long time, the pores on the surface of the high porcelain blue turquoise will gradually absorb the sweat and oil produced by the skin, and the color will gradually deepen. However, the structure of high porcelain blue turquoise is relatively tight, and the speed of sweat and oil infiltration into turquoise is slow, and its color change speed will be slow.

High porcelain blue turquoise will change color, because in the process of playing high porcelain blue turquoise, sweat and sebum secreted by the human body will be absorbed by turquoise, and sebum contains a variety of lipid substances. When sweat and lipids penetrate into turquoise, the color of turquoise will change, while high porcelain blue turquoise usually turns blue-green.

Turquoise with different porcelain degrees will change color at different speeds. Generally speaking, the higher the porcelain degree and density of turquoise, the slower its discoloration speed and the longer it takes. On the contrary, the lower the porcelain degree and density of turquoise, the easier it is to change color.

Turquoise often changes color when soaked in water. After turquoise is soaked in clear water for a period of time, there are usually some blisters on the surface of turquoise, and the color will be significantly darker than before. This is actually one of the characteristics of turquoise, and many experienced jewelry collectors will use it to identify the authenticity of turquoise.