Diamond crystal. Solid carbon comes in different forms known as allotropes depending on the type of chemical bond. The two most common allotropes of pure carbon are diamond and graphite. In graphite the bonds are sp orbital hybrids and the atoms form in planes with each bound to three nearest neighbors 120 degrees apart. In diamond they are sp and the atoms form tetrahedra with each bound to four nearest neighbors. Tetrahedra are rigid, the bonds are strong, and of all known substances diamond has the greatest number of atoms per unit volume, which is why it is both the hardest
What Time Is Love? TVT label, including a live version taken from "The "What Time is Love?" Story". The KLF's "Pure Trance" series was originally envisaged as comprising five "Original" 12" singles and five "Remix" 12"s. The "Pure Trance Remix" single of "What Time Is Love?" was released on 24 July 1989. KLF 004T was re-released in the UK on 15 July 1991, during the peak of The KLF's chart success, along with both "Pure Trance" mixes of "3 a.m. Eternal". Key "What Time Is Love? (Live from Trancentral)" was released on 30 July 1990, and the single of remixes "(Remodelled & Remixed)" followed