Diamonds. Friday , April 07th , 2017 - 17:00:08 PM
Black diamonds have been found to contain trace elements of nitrogen and hydrogen. The study published in 2006 analyzed the hydrogen in black diamond samples using infrared-detection instruments and found that the quantity indicated that the mineral formed in a supernova explosion prior to the formation of the Solar System. These diamonds were formed by carbon-rich cosmic dust in an environment near carbon stars. The diamonds were incorporated into solid bodies that subsequently fell to Earth as meteorites.
The carat is the weight unit of a diamond. A diamond is always measured by the weight and not the size. Although the size and weight should be in direct proportion, it may not always be true as a heavily cut diamond would have a lesser carat weight than an uncut one of the same size. But if the diamond is heavier and larger as well, its price goes up exponentially. For example, if there are two 1.5 carat diamonds, the larger one will have more value than the smaller one.
There are several types of inclusions and blemishes, which affect the clarity ratings. Inclusions may be in the form of clouds, bearding, feathers, cleavage, included crystals or minerals, cavities, knots, and internal graining. Blemishes include pits, polish lines, nicks, grain boundaries, scratches, naturals, and chips. New characteristics that may appear on this gemstone as a result of enhancement procedures, such as laser lines, are also considered inclusions/blemishes.
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