A poorly performing internet connection can be caused by broadband router configuration errors, wireless interference, or any of several other technical issues with your home network. Use these tips to diagnose and fix the causes of your slow internet connection.
It's a non-metal. Graphite is a polymorph of the element carbon. diamond is another polymorph. The two share the same chemistry, carbon, but have very different structures and very different properties. Diamond is the hardest mineral known to man, Graphite is one of the softest.
Well-formed crystals of graphite are quite rare in nature, and most graphite occurs in its massive form. It is a metallic mineral, black to dark gray in color, with a distinctive greasy feeling. As with many mineral properties, this greasy nature is a reflection of its internal crystal structure.