Based on the Different Crystalline Structure of These Two Carbon

Multiple Choice

Based on the different crystalline structure of these two carbon minerals, how would the two minerals likely differ?

A) The left mineral would have one direction of cleavage.
B) The right mineral would have one direction of cleavage.
C) The minerals would have the same type of cleavage since both contain only carbon.
D) The minerals would have the same hardness because both contain only carbon.