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Carat (mass)

Not to be confused with Carat (purity), a unit of measurement for the purity of gold alloys.

The carat is a unit of mass, which is used for gemstones and pearls. One Carat is equal to 0.2g. The current definition was adopted in 1907 at the Fourth General Conference on Weights and Measures.[1] Officially, the carat can be divided into 100 pointsof 2 milligrams each.

Carat (mass) Media

  • Diamond Balance Scale 0.01 - 25 Carats Jewelers Measuring Tool.jpg

    Diamond-weighing kit, with weights labelled in grams and carats

References

  1. ↑ American Association for the Advancement of Science (1908). Science. American Association for the Advancement of Science. p. 144. Retrieved 30 June 2012.


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