A watermelon type. The coloring in the eyes is different. It may have been a named piece at one time. Some named pieces are so unique. They can always be spotted. Others not so much. A more focused picture of whole colony under normal lights may help. Unless you can remember its lineage. It may be impossible to name it.
i don't know about chalice, since when i bought this 3/8" for $60.
my light is just blue and white led. and i have 2 more chalice ,i say no experience on chalice.