Diamonds & Diamonds
At high temperatures and high pressures, millions of years ago, deep underground, the carbon crystallized, forming a dense cubic structure transforming into diamond and graphite.
Diamond has the highest hardness, density of the diamond about 3.52 g/cm. However, the diamond fragile, if hit with a hammer on it, he totally cracks. The color, the diamonds are [...]
June 11, 2010
Tags: Characteristics of stone, color, diamonds, purity, weight Posted in: Bracelets, Necklaces, Wedding Rings 
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Tone
Along with hue and purity, tone helps determine the color of gemstones.
November 15, 2009
Tags: determine, purity Posted in: Glossary No Comments
Fineness
The purity of gold is described by parts per thousand, or by the karat. The purer the gold, the higher the fineness. 24 k gold is pure and has a 999 fineness stamp.
November 14, 2009
Tags: fineness, purity Posted in: Glossary No Comments
Saturation
A word used to describe the purity of color in gemstones.
November 11, 2009
Tags: describe, purity Posted in: Glossary No Comments
Ruby color
Judged by three graded factors: hue, tone and purity
November 5, 2009
Tags: purity Posted in: Glossary No Comments
