What does the refractive index of Lantian jade mean by 1.54

The refractive index of Lantian jade is 1.54, which refers to Lantian jade with the characteristics of chalcedony, which is famous for being as transparent as ice. Lantian jade belongs to calcite jade in mineralogy, and its texture is translucent or opaque. The color and luster are white, beige, yellow-green, apple-green, green-white, and other colors. The surface is glassy, and the carving is particularly exquisite.

The meaning of the refractive index of Lantian jade 1.54

If the refractive index of Lantian jade is about 1.54, it means that this Lantian jade has the characteristics of chalcedony, because the refractive index of 1.54 specifically refers to chalcedony. Usually, Lantian jade with a refractive index of about 1.54 has the characteristics of being as transparent as ice, and looks very clear.

Lantian jade belongs to calcite jade in mineralogy, because it is produced in Lantian Mountain in Xi'an City, Shaanxi Province. The refractive index of Lantian jade is generally between 1.5 and 1.6, and the texture is translucent or opaque, with good permeability.

Judging from the color, Lantian jade has white, beige, yellow-green, apple green, green-white and other colors. The surface is glassy or greasy, and the hardness is also a little low. It is about 2-6 degrees Mohs, which is easier to polish and carve.