It melts at 3727 C. The stable form of carbon at room temperature is Graphite which has a hexagonal crystal structure. (Top diagram) Diamond is metastable at room temperature and has a diamond cubic ...

Quantum physicists have created a new phase of matter inside a diamond. Their new "time quasicrystal" is special as it is ...

In their ongoing efforts to push the boundaries of quantum possibilities, physicists in Arts & Sciences at Washington ...

A big, beautiful diamond. Sure, it catches light like no other gem, and it's the hardest material on Earth, and it's worth an awful lot of money. But what is it really but a collection of ordinary ...

Diamond is a carbon allotrope, meaning it’s a type ... “With potentially superior mechanical properties and an intriguing structure, lonsdaleite has also received intense research interest ...

Graphyne is a crystalline form of carbon that is distinct from both diamond and graphite ... where each atom has three, graphyne's structure combines two-coordinate and three-coordinate carbons.

Scientists have discovered two diamond-like planets, PSR J1719-1438b and 55 Cancri e, challenging our understanding of ...

Image caption, LEFT: The structure of diamond showing each carbon atom joined to four others. RIGHT: The structure of graphite with atoms of carbon arranged in layers. Carbon fibres are long ...