EAS is high in Au, Se, Ag and As, and characterized by Co / Ni ratio > 1 .The EPR spectrum of EAS has an electron center (g = 2.0015), but no,for the medium temperature barren stibnite.

• 低温含金辉锑矿富含Au、Se、Ag和As等亲硫微量元素，并以Co/Ni比值小于1为标志。 低温含金辉锑矿的EPR谱具有-g因子为2.；0015的精细结构（电子心），而中温贫金辉锑矿的EPR谱不具此种结构。