Crystallian

Crystallian is a xenogender from the element system. It is a combination of the neutral element tellusian (earth), and the xenine element alterian (spirit). It is represented by the element of crystal.

History
Crystallian was first known to be coined on January 14th, 2018, along with the flag, but it was likely coined earlier than that on a Google spreadsheet.

Flag
The flag's colors are pastel purple, pink, and yellow, representing crystals, with a diamond in the center, representing two triangles together.