The celestial river stone has two colors, blue and blue-green, similar to jade, and the celestial river stone also has the characteristics of green and white lattice color spots, and it also shines, which is helpful to distinguish. The celestial river stone is bright in texture, good in transparency, and those with little cleavage are top grade, and its shape is similar to jade, glass, etc.
The Heavenly River Stone has two colors, blue and blue-green, and its texture is translucent or slightly transparent, similar to jadeite. Because the Heavenly River Stone has a unique dual crystal structure, the Heavenly River Stone has an obvious feature, green and white lattice color spots, and shiny. This feature is also the fundamental difference between the Heavenly River Stone and other gems.
Heavenly River Stones are better in pure blue or emerald green color, and the Heavenly River Stones with bright texture, good transparency, and little cleavage are the top grade. Among them, those high-quality emerald green Heavenly River Stones can also be used as a substitute for jade, so they can be used as ring surfaces or carvings.
The color of Tianhe stone is blue or blue-green because Tianhe stone is a variant of plagioclase mineral, containing potassium aluminosilicate, which is similar to jadeite and glass. However, the relative density of Tianhe stone is small, so the transparency is poor.