The yellow-green and semiopaque jade is mainly consisted of mineral aggregate of resuvianite.

其中呈黄绿色色调均匀半透明的回龙玉，主要由符山石矿集合体组。

Under conditions of food shortage or other stresses, they come together to form a slug-like aggregation of maebas called a pseudoplasmodium, which acts like an individual organism.

短缺或其他压力胁迫的条件下，可形变形虫的集合体，叫做伪原生，为一种独立的生体。