57769560_s_Facet_Rough___PrettyRock_com__Fact
[#] 19 [Myth] Diamonds are unbreakable. [Fact] 
Diamonds are very breakable, due to their cleavage plane. If struck along the cleavage plane and diamond can easily shear off along the plane and leave you with two diamonds!
Gemology, Gem Rough,Gemology,Gem Identification Tools,Facet Rough - PrettyRock.com
Fact