The Peridot (pronounced PEAR - A - DOE) is a very beautiful but lesser known gemstone. It was first discovered on Topazo Island in the Red Sea by the Egyptians who called it 'The Gem of the Sun'. Peridos are unique gemstones because they are always green. They are a form of Chrysolite - magnesium aluminium silicate - with an iron impurity which is responsible for its green colour. The depth of green is proportioanal to the percentage of iron.
Peridot so orthorhombic
Lime green - olive green - and sea green
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Wonder of the Peridot is described here with much informative enthusiasm John and such interesting history - - another fine work - - thank you.
Thanks for sharing this lovely poem of the beauty of a peridot gemstone.I learned about a gemstone of which I'd never heard.