Prehnite It is the first Gemstone to be named after an individual. It is named after Colonel Hendrik von Prehn, a minister of Cape of Good Hope and its discoverer. It was first discovered in 1788 in Karoo dolerites of Cradock, South Africa.
It is formed due to low-grade metamorphism in cavities of mafic volcanic rock.
This beautiful greenish Crystal is mainly found in the USA, China, Australia, Scotland, and South Africa. Green is the most commonly found Prehnite but it also comes in shade of white, brown, gray and sometimes colorless.
Green Prehnite ranges in various shades of green, from yellowish-green to pale green and even dark greenish color. Apple green colored Prehnite is the most desired and top-selling stone while the other shades such as orange and gray have rare occurrences and are desired by antique collectors.
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