Carbonate jade is mainly composed of calcite (CaCO3) or dolomite (CaMg(CO3)2). There are many names of this kind of jade, mainly according to the origin, color, pattern and so on.
Extended data:
Carbonate jade can be divided into white marble, marble, white crane jade, beeswax topaz, wood grain jade and afghanistan jade. Although they all contain carbonate like marble, the unique physical structure of carbonate jade makes it show a different luster and texture, so it has certain collection value.
References:
Baidu encyclopedia-jade health care