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In the gemstone trade, first water means "highest quality". [1] The clarity of diamonds is assessed by their translucence; the more like water, the higher the quality.The 1753 edition of Chambers's Encyclopaedia states "The first water in Diamonds means the greatest purity and perfection of their complexion, which ought to be that of the clearest drop of water.
The two ternary plots are then projected onto a diamond. [3] The diamond is a matrix transformation of a graph of the anions (sulfate + chloride/ total anions) and cations (sodium + potassium/total cations). [4] The Piper diagram is suitable for comparing the ionic composition of a set of water samples, but does not lend itself to spatial ...
In the paradox of value, it is a contradiction that it is cheaper than diamonds, despite diamonds not having such an importance to life. The paradox of value, also known as the diamond–water paradox, is the paradox that, although water is on the whole more useful in terms of survival than diamonds, diamonds command a higher price in the market.
Quality of Light: The sparkle a diamond gives off, however, depends largely on the quality of the cut. The scale of cut quality ranges from excellent to poor. At the highest end of the scale, a ...
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Diamond clarity is the quality of diamonds that relates to the existence and visual appearance of internal characteristics of a diamond called inclusions, and surface defects, called blemishes. Clarity is one of the four Cs of diamond grading, the others being carat , color , and cut .