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Fuchsite Stone Meaning and Properties

 

 

the mineral fuchsite in a museum display cabinet

 

 

Fuchsite Radioactive Mineral


The mineal fuchsite is a variety of chromium rich muscovite which is the cause of the stone's distinctive green colour.  The more chromium that's present the stronger the colour and in some cases it can even be similar to emerald.  When replaced by aluminium the shade of green becomes distinctively lighter.

This radioactive mineral fluoresces lime green under ultraviolet light due to the presence of potassium.  Fuchsite can frequently be found as tiny mineral inclusions within certain rocks but when present in large quantities it becomes known as verdite.  This stone tends to be used for lapidary purposes.   

Fuchsite is a relatively soft stone that's rarely found with good purity.  It grades 2 to 3 on Mohs scale of mineral hardness and often features inclusions of red corundum otherwise known as ruby.  Ruby in fuchsite as it's correctly known is often mistaken for ruby zoisite which is much rarer and considerably more expensive.   Ruby zoisite is also harder than ruby in fuchsite and more often than not will also exhibit visible crystals of black hornblende.

Frequently misspelt and mispronounced, fuchsite was named after the German chemist and mineralogist Johann Nepomuk von Fuchs hence is correctly pronounced fook-site.

The exhibit in our photo is on display in the Natural History Museum London.  Photo by Stone Mania ©.  The photo in its original size can be seen by clicking the image.

 

 

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