When we mention the emerald we always picture a beautiful, elegant emerald green hue. This shade of green so clearly defined by association that it is widely regarded as the colour “emerald green”. We hope that you will not feel cheated of these beautiful images of colour which the word “emerald” evokes, when we tell you that the emerald’s colouration comes from the presence of chromium oxide. A higher concentration of oxides creates a bright green emerald, while a lower quantity contained in the emerald results in dark green. The presence of iron and vanadium gives a greenish yellow hue, which is less appreciated in lapidary production...Read more about Emeralds

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