Diamond example sentences

Both diamond and graphite are formed by carbon atoms, the difference lies in the manner in which the carbon atoms are bonded to one another.It is very difficult to break extended covalent bonding and, therefore, diamond is a hardest substance on the earth.These two different structures result in diamond and graphite having very different physical properties even though their chemical properties are the same.Diamonds can be synthesised by subjecting pure carbon to very high pressure and temperature.In diamond, each carbon atom is bonded to four other carbon atoms forming a rigid three-dimensional structure.Interestingly enough, a fourteenth-century text, the Lilatilakam, dealing with grammar and poetics, was composed in Manipravalam – literally, “diamonds and corals” referring to the two languages, Sanskrit and the regional language.Diamond mines of South Africa and discovery of oil in the Middle east lead to settling of people in these areas.?f H values of diamond and fullerene, C60 are 90 and 3 1 kJ mol–1, respectively.Kimberley is famous for its diamond mines (Figureure 7).Gold and diamond mining are major occupations of people of this region.It occurs in the elemental form as diamonds and graphite.Mining of diamond and gold in South Africa led to the establishment of trade ties with Britain and gradually South Africa became a British Colony.It is the world's largest producer of diamonds, gold and platinum.South America also has large deposits of gold, silver, zinc, chromium, manganese, bauxite, mica, platinum, asbestos and diamond.Minerals are found in varied forms in nature, ranging from the hardest diamond to the softest talc.