Almandine being red-brown rhombododecahedron consists of iron, aluminium and silicon, containing trace elements of calcium and magnesium.

铁铝榴石呈红褐色，菱形十二面体晶形，化学成分以铁、铝、硅为主，含钙、镁等微量元素。

Established a method determining the content of trace elements copper, zinc, manganese, lead, chromium, calcium, nickel of haematitum and red ore by FAAS.

建立火焰原子吸收光谱法用于测定矿物药赭石和红矿中微量元素钙、铜、锌、锰、镍、铬、铅的含量的方法。

MAIN OUTCOME MEASURES: Morphological observation, determination of proliferation ratio, ALP stain, determination of matrix calcium accumulation and number of mineralized nodes with alizarin red stain.

主要观察指标：形态观察、增值率测定、碱性磷酸酶染色、细胞基质钙含量测定、茜素红染色显示矿化结节数。