Henny Meena. Diamonds. February 28th , 2017.
Diamonds are an allotrope (structurally different forms of the same element) of carbon. To be more precise, they are made up of carbon atoms that are arranged in a specific manner. Though they are found naturally (in mines), man-made diamonds are also available. Cultured varieties are a type of synthetic diamonds, produced under extremely high temperature and pressure conditions.
Diamonds are crystals made up purely of carbon atoms, and carbon is known to react with oxygen to form carbon dioxide. If one heats a diamond crystal normally, it doesn't have any observable effect. However, as the French chemist Antoine L. Lavoisier demonstrated, if a diamond is heated up to 600 to 800C in a pool of liquid oxygen, it is possible to break the carbon-carbon bonds, allowing the atoms to react with oxygen and form carbon dioxide gas.
Solitaire setting: In this setting, the main focus is the diamond. A six-prong setting is considered good, because it provides maximum security. The mounting can be white gold or platinum.
Tradition says that the custom of giving a diamond engagement ring began in 1477 when the Archduke Maximilian of Austria gave Mary of Burgundy a diamond ring and married her the following day. At that time all diamonds came from India and the common fellow had little hope of offering one to his own sweet love.
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