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2. Gemstone - Wikipedia

   en.wikipedia.org/wiki/Gemstone

   Spanish emerald and gold pendant at Victoria and Albert Museum Enamelled gold, amethyst, and pearl pendant, about 1880, Pasquale Novissimo (1844–1914), V&A Museum number M.36-1928. Gemstones have no universally accepted grading system. Diamonds are graded using a system developed by the Gemological Institute of America (GIA) in the early ...

3. Helenite - Wikipedia

   en.wikipedia.org/wiki/Helenite

   Helenite, also known as Mount St. Helens obsidian, emerald obsidianite, and ruby obsidianite, is a glass made from the fused volcanic rock dust from Mount St. Helens and marketed as a gemstone. [ 1 ] [ 2 ] Helenite was first created accidentally after the eruption of Mount St. Helens in 1980 .

4. Gemstone Meanings: Power and Significance of the 25 Most ...

   www.aol.com/gemstone-meanings-power-significance...

   Additionally, Salzer points out the emerald green is aligned with the heart chakra, representing our energetic love center. “It can amplify our self-love and wisdom,” she says. SunChan - Getty ...

5. Colombian emeralds - Wikipedia

   en.wikipedia.org/wiki/Colombian_emeralds

   Patricia Emerald – this 630-carat, di-hexagonal cut was first discovered in 1920. It is named after the mine owner's daughter, Patricia. This emerald currently resides in the American Museum of Natural History in New York. [4] Crown of the Andes – one of the most famous pieces of Colombian emerald-encrusted jewelry in the world. It has 453 ...

6. Roman jewelry - Wikipedia

   en.wikipedia.org/wiki/Roman_jewelry

   When genuine gems were utilized, the stones preferred by Roman women were amethyst, emerald, and pearl. [8] Pearls were rare and expensive and were used in Roman jewelry up until the end of the Republic. Clusters of large pearl beads were used to make earrings called crotalia (rattles). [9]

7. Emerald - Wikipedia

   en.wikipedia.org/wiki/Emerald

   Emerald is a gemstone and a variety of the mineral beryl (Be 3 Al 2 (SiO 3) 6) colored green by trace amounts of chromium or sometimes vanadium. [2] Beryl has a hardness of 7.5–8 on the Mohs scale . [ 2 ]