Gemstone Analysis: The Reason Behind Peridot's Oily Reputation
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In the world of gemstones, few are as captivating as peridot. This single-colored gemstone, often described as "oily green," has fascinated people for thousands of years.
Peridot's rich olive-green colour is its most distinctive feature, and it is this characteristic that has earned it the "oily green" descriptor. The term doesn't refer to an actual oily texture or surface property, but rather to the smooth, rich, and somewhat translucent green tones of the gemstone.
The source of this striking green hue lies within the gemstone's crystal structure. Peridot is a magnesium silicate with a few percent of iron, and the amount of iron strongly influences the green colouration. Specifically, ferrous iron (Fe2+) in the crystal structure creates the green hues, and variations in iron concentration can result in colours ranging from yellow-green to olive or brownish-green.
Important producers of peridot include Arizona, Norway, Pakistan, and China. The current supply of peridot is good, providing fine gem material at moderate prices, although larger and finer stones can cost thousands of pounds. Peridot is valued by gem enthusiasts because it is rarely treated.
For those interested in learning more about peridot and other gemstones, there are resources available. GemIntro is an online beginners gemmology course that provides comprehensive information. For those seeking a more in-depth education, the Gemmology Foundation is a course that can help kickstart a career in gemmology and related professions.
Peridot has a long and storied history. It was found in classical times in the isle of Zabargad in the Red Sea. Today, peridot is still found beneath the Earth's crust and is brought to the surface by volcanic rocks or peridotites.
The gemstone's composition, interesting history, and captivating green colour make peridot a gemstone that continues to captivate people today. Whether in a piece of jewellery or in a collection, peridot is a gemstone that is sure to add a touch of elegance and beauty.
[1] GIA (Gemological Institute of America), Peridot, https://www.gia.edu/gem-stones/peridot [2] AGTA (American Gem Trade Association), Peridot, https://www.agta.org/gemstone-encyclopedia/peridot/
- In the realm of health-and-wellness, a comprehensive understanding of gemstones can be beneficial, and resources such as the Gemmology Foundation provide the knowledge necessary to kickstart a career in this field.
- For those interested in fitness-and-exercise and technology, a fusion of these interests could lead to the development of innovative fitness gadgets powered by advanced technology, just like how the rich green hue of peridot showcases the wonders of science.
- As peridot's captivating green color is often used in jewelry, considering the eco-friendly and sustainable practices involved in the production of these health-and-wellness-related gadgets and the sourcing of gemstones like peridot could contribute to a more holistic and ethical approach in the industry.
