Question

diamond,graphite,and fullerence are crystallion form of carbon explain the following

Answer 1

Carbon also exists in an amorphous, or “shapeless,” form in substances such as coal and charcoal. Different forms of the same element are called allotropes. Besides graphite, the other allotropes of crystalline carbon are diamond and fullerenes. ... A: Diamond is clear whereas graphite is black

Answer 2

A crystalline forms of carbon has a regular and define arrangements of atoms.

Since diamond graphite and fullerenes have defined shape sharp edges and plane surface they are in crystalline form