Any of a group of micaceous hydrated silicate minerals related to the chlorites and used in heat-expanded form as insulation and as a planting medium.
英
美
- 蛭石与绿混石有关的一组含云母的水合硅酸盐矿物质的统称,并以热膨胀形式用作绝缘材料和种植媒介。