The word "emerald" is derived (via Old French: esmeraude and Middle English: emeraude), from Vulgar Latin: esmaralda/esmaraldus, a … 展开

Both hydrothermal and flux-growth synthetics have been produced, and a method has been developed for producing an emerald overgrowth on colorless beryl. The first commercially successful emerald synthesis process was that of Carroll Chatham, … 展开

• Minerals portal
• List of emeralds by size
• List of minerals
• Mineral industry of Colombia
• Colombian emeralds 展开

Emeralds, like all colored gemstones, are graded using four basic parameters known as "the four Cs": color, clarity, cut and carat weight. Normally, in grading colored gemstones, color is by far … 展开

Emeralds in antiquity were mined in Ancient Egypt at locations on Mount Smaragdus since 1500 BC, and India and Austria since at least the 14th century AD. The Egyptian mines were … 展开

• Emerald is regarded as the traditional birthstone for May as well as the traditional gemstone for the astrological sign of Taurus.
• Traditional 展开

• Ali, Saleem H. (2006). The Emerald City: Emerald mining in Brazil (+Gemstone mining in other countries)
• Cooper, J. … 展开