Island structure silicate mineral.
Natural materials and products -> Mineral materials
glass(玻璃)
silicate mineral(硅酸盐矿物)
granite pegmatite(花岗伟晶岩)
crystal(晶体)
space group(空间群)
raw mineral material(矿物原料)
density(密度)
pitch(沥青)
twin(双晶)
pegmatite(伟晶岩)
yttripedote(钇褐帘石)
hardness(硬度)