Astral state center is raised outside annulus, annulus inside bottom has 5 to lie between, mid have 5 dot, coping has five-pointed star of a miniature again, colour and lustre and outside valve close.

• 星状中心凸起一个外轮,轮内下部有5个隔,中部有5个圆点,顶部又有一个微型五角星,色泽与外瓣相近。