The stone : variscite is an elegant gemstone that is sometimes confused with the greener types of turquoise . the colors of variscite are shades of green ranging from light bluish - green to dark green and has a waxy luster 磷铝石variscite ，是一种从透到不透，浅黄绿色及浅绿色的含水磷酸铝，由于颜色和含有微褐色填隙物质的缘故，许多磷铝石常常用来代替绿松石。
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This material was loaded onto a silica gel column and the column was eluted with chloroform several times until the fraction of interest was collected . finally we obtained some light yellow green ointment liquid f i 采用硅胶作干层析柱填充物，用氯仿作展开剂和洗脱液，反复硅胶层析，对柄海鞘鞘囊氯仿浸提物进行分离、提取与纯化，最后得到一浅黄绿色的油状液体fraction (以下均称f ) 。
