You can distinguish between water foam jade and jadeite by its luster. Although water foam jade and jadeite are both glass luster, the glass luster of jadeite is brighter and more moist, and the glass luster of water foam jade is slightly dim. In addition, jadeite is the most hard jade, with a hardness of 6.5 to 7.5, and the hardness of water foam jade is 6.0, so jadeite can easily mark the surface of water foam jade.
Water foam jade and jade can be distinguished by looking at the luster. Although water foam jade and jade can both present a glass luster, the glass luster presented by jade is sharper, moist, and bright, while the luster of water foam jade will be slightly dim.
In addition, water foam jade and jadeite can also be distinguished by testing hardness. The Mohs hardness of water foam jade is 6.0, while the Mohs hardness of jadeite is 6.5 to 7.5, so jadeite can easily mark the surface of water foam jade.
The water foam jade and jade can also be distinguished by listening to the sound. When the chopsticks are gently tapped on the water foam jade and jade respectively, the sound made by the water foam jade will be slightly dull and dull, while the sound made by the jade will be relatively crisp.