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Vesuvianite (Idocrase) Gemstone

With beautiful  green  hues, Vesuvianite  was  originally discovered at Mount Vesuvius in Italy  and is named after its origin. In the gem world,  it  is  also  known  by  its  pseudonym,  Idocrase,  which is derived from Greek: “idea” meaning “likeness” and “krasis” meaning “mixture”. This  name relates to the fact that the gem sometimes  has a visual resemblance to Peridot, Tourmaline  and several green Garnets. 

Whilst  Vesuvianite  is  a  gemstone  in  its  own  right, it also has two other members in its family.  Californite (guess in which American state this  was discovered!) which is similar in appearance  to Jade; and Blue Cyprine which is primarily  mined in Norway. 

As with many gemstones that are discovered on  or near to volcanos, Vesuvianite is a metamorphic  gemstone. Its wonderful greenish blue colour,  which is easily distinguishable from almost any  other gemstone, receives its appealing hue from  the presence of copper. Although Vesuvianite is generally green, brown,  blue and yellow, in very rare instances purple  specimens are found. The gem is transparent to translucent in appearance and in order to best  display its glorious hues it is normally step cut. 

In addition to Mount Vesuvius, California and  Norway, the gem has also been discovered in  Québec, Canada, The Ural Mountains in Russia,  and in Switzerland.

 

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A Tomas Rae Vesuvianite ring