Ettringite is a main hydrate of cement,and the Ba-bearing ettringite is the mainhydrate of the new cement mineral named calicium sulphoaluminate containing barium.

• 钙矾石是水泥的主要水化产物之一，含钡钙矾石相是新水泥矿物含钡硫铝酸钙的主要水化产物，它们是水泥石强度的主要来源。