Question

Black diamond is used to cut glass? write scientific reason on it .

Answer 1

a glass cutter may use a diamond to create the split but more commonly a small cutting wheel made of hardened steel or tungsten carbide 4-6 mm in diameter with a V- shaped profile Called a hone angle us used
hope it helps you

Answer 2

it is because black diamond contains some impurities such as copper oxide which makes it one of the hardest naturally occuring substance. That is why black diamond is used to cut glass.