Emerald: fibrous aggregate consists of pyroxene minerals, mainly jadeite minerals. But jade is not equal to jade.
Jade: There are two kinds: soft and hard. Usually, jade refers to nephrite.
2. Crystal particles have different shapes.
Emerald: It is a granular structure in which mineral crystal particles are white sugar.
Jadeite: It has a columnar or fibrous grain structure.
3. Different gloss
Jade: The surface presents greasy luster with different strengths, and the luster is soft and moist, so people understand it as moist jade.
Emerald: the hard glass luster with reflective luster reveals a cold chill, so it is called cold water jade.
4. Different gloss
Jade: The surface presents greasy luster with different strengths, and the luster is soft and moist, so people understand it as moist jade.
Emerald: the hard glass luster with reflective luster reveals a cold chill, so it is called cold water jade.
5. Different refractive indices
Refractive index of jadeite: 1.62.
Refractive index of jadeite: 1.66.
The refractive index of jadeite is also slightly lower than that of jadeite.
Extended data:
Emerald: Also known as jadeite, jadeite and Burmese jade, it is a kind of jade.
The correct definition of jadeite is fibrous aggregate composed of pyroxene minerals, mainly jadeite minerals. But jade is not equal to jade. Jadeite is a kind of stone polycrystalline aggregate that reaches the jade level under geological action. It is mainly composed of jadeite or jadeite, sodium (sodalite) and sodalite (omphacite), and may contain amphibole, feldspar, chromite and limonite.
Jade: It is the essence of stone. Buddhism, Taoism and elegance are collectively called land relics. It is a spirit stone that can ward off evil spirits. This is a popular gem classification in all parts of the world (especially in East Asia).
Broadly speaking, as long as it is beautiful, it is jade, including lantian jade, Hetian jade, xiuyan jade, Myanmar jade, Nanyang dushan jade, serpentine jade, Shi Ying jade, crystal stone, bloodstone, calcite jade, lapis lazuli, agate, coral, glacier jade, marble jade and other precious stones.
References:
Baidu Encyclopedia: Detailed Explanation of Emerald