tabrbaki fu'ivla

x₁ is a quantity of/contains/is made of graphite of form x₂.

See also: buckyball (=boltabno), carbon nanotube (=navytu'utabno).

In notes:

boltabno: b₁=t₁ is a quantity of/contains/is made of spherical fullerene/buckyball (default: buckministerfullerene C60).