Emerald

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Emerald

Emerald (pronunciation: /ˈɛmərəld/) is a precious gemstone and a variety of the mineral beryl colored green by trace amounts of chromium and sometimes vanadium.

Etymology

The word "Emerald" is derived from Vulgar Latin: Esmaralda/Esmaraldus, a variant of Latin Smaragdus, which originated from Greek: smaragdos, meaning 'green gem'.

Related Terms

  • Beryl: The mineral family to which emerald belongs.
  • Chromium: One of the trace elements that gives emerald its green color.
  • Vanadium: Another trace element that can give emerald its green color.
  • Gemstone: A precious or semi-precious stone, especially one cut, polished, and used in a piece of jewelry.
  • Mineral: A solid, naturally occurring inorganic substance.

Properties

Emeralds, like all colored gemstones, are graded using four basic parameters–the four Cs of Connoisseurship: Color, Clarity, Cut and Carat weight. Normally, in the grading of colored gemstones, color is by far the most important criterion. However, in the grading of emeralds, clarity is considered a close second. Both are necessary conditions.

Uses

Emeralds are used in several ways. They are often cut and polished to be used in jewelry. They are also used in certain types of industrial applications, such as lasers and optical devices.

See Also

External links

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