Want to learn more about any of the stones in the list above? You can discover if its been written on its own in-depth page on this site, by checking on the A To Z of Crystals Minerals and Stones page, see the link below, to help you to find what you are searching for....
Also, the Potassium-Argon dating method incorrectly indicates that certain minerals hardened into stone 350,000 years ago, when in reality they solidified just recently, in 1986, from lava that flowed six years after the enormous 1980 Mount St. Helens eruption. And some of the mineral within ...
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The most beautiful specimen yet produced by this country was not long since in the cabinet of minerals of the Duke of Florence. It exhibited five splendid crystals of darkgreen color on a matrix almost a foot square. Three of these superb crystals were erect, and one prostrate : they ...