When Was Prehnite Discovered?
It Was First Described in 1788 After It Was Discovered in the Karoo Dolerites of Cradock, South Africa. Prehnite Was Later Named After Its Discoverer, Colonel...
It was first described in 1788 after it was discovered in the Karoo dolerites of Cradock, South Africa. Prehnite was later named after its discoverer, Colonel Hendrik von Prehn (1733-1785), a Dutch mineralogist and an early governor of the Cape of Good Hope colony.
Where is prehnite found?
Prehnite is a typical product of low-grade metamorphism. The main occurences of Prehnite gems are located in Africa (Namibia, South Africa), Europe (Germany, Scotland, France), USA (New Jersey, Pennsylvania, Virginia), Australia (Western Australia, Northern Territory).
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Is prehnite found in Australia?
Most Prehnite in Australia comes from the Wave Hill deposits in the Northern Territory. There are also deposits in the Kimberley and other regions of Western Australia as well as specimen material in New South Wales. Prehnite has a MOH's hardness of around 6 – 6.5 and is well suited to high quality beads and cabochons.