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''']''' is a ] with its atoms arranged in a ] called ]. Diamond is ] at ]: it converts to the ] form ] under those conditions, but at a negligible rate. Diamond has the highest ] and ] of any natural material, properties that are used in major industrial applications such as cutting and polishing tools. In addition to its industrial uses, diamond is much sought-after ] for use in jewelry. Most natural diamonds have ages between 1 billion and 3.5 billion years and formed at depths between 150 to 250 kilometres (93 to 155 mi) in the ]. They were then carried to the surface more recently in volcanic eruptions and deposited in ]s known as ]s and ]s. This photograph shows the ] of a diamond in real colour, taken with the use of a ]. |
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''']''' is a ] with its atoms arranged in a ] known as ]. It is ] at ], converting to the ] form ] under those conditions but at a negligible rate. Diamond has the highest ] and ] of any natural material, properties that are useful in major industrial applications such as cutting and polishing tools. In addition to its industrial uses, ] for use in jewelry. Most natural diamonds were formed between 1 billion and 3.5 billion years ago, at depths between 150 to 250 kilometres (93 to 155 mi) in the ]. They were then carried to the surface more recently in volcanic eruptions and deposited in ]s known as ]s and ]s. This photograph shows the ] of a round-cut diamond, taken with the use of a ]. The image has a field of view of 3.45 millimetres (0.136 in). |