الجمعة، 29 أكتوبر، 2010

Types of diamond

Diamond oil shale: a stone egg-white yellowish color mixes with the oil, which is similar to glass, has a great beam of light and wudu like a rainbow, this is the finest types of


 Diamond crystal: a white stone is very white crystal



The chemical composition of diamond


Diamond shaped crystals in nature are interrelated so that the four aspects of each carbon atom with four other atoms, which makes diamond very hard, "the hardest substance found in nature" and the reason for this is that the atoms stick to each other and strongly present in the geometric arrangement makes it difficult to break these ligaments Made crystal diamond non-polished eight Ojnab flat can be cut into different forms for the work of precious stones, and the unit used to measure diamond is carat (Carats) and weighs 0.2 grams , and is worth mentioning that the largest diamond known to history until now weighed 3106 carats


Characteristics of diamond


Smooth texture.Has a great beam of light like a rainbow .. Itkahrb when itching and emit light .. Most solid materials, whether natural or synthetic .. Ripped by X-ray and Ishqh glass, and those characterized by a feature from other stones



Properties of diamond physical and chemical



Bllwart diamond cubic system belonging to the measurements will be equal beautiful crystals in the form of eight aspects, and the degree of hardness (10) ..


(10) according to this measure, known as Mohr scale used to measure the hardness of objects and diamond things stronger and less substance in the hardness of a substance called talc and its scale (1) Therefore it is considered the hardest stones, and having a specific gravity between (3.47) to (3.55 The diamond is an electrical insulator, while for graphite On the contrary, it is a good conductor, electricity .. And Aivob diamond or dissolved in acid ... The only thing that may damage the diamond is intense heat