When first mine, miner was excited thought it was emerald, after some investigation done with gemological and mineralogical diagnostic it was made know that it was not emerald, but a rare minerals now known as Pargasite.
Pargasite is an uncommon very complex silicate species. This very fine specimen came out int the late 1990s, labeled as being from China; and later it turns out that they came over the border from Vietnam. They are certainly the most beautiful known examples of this species, normally relegated to a rather dull, unattractive, dark-coloured specimen. This piece is a superb colour, lustre and saturated green hue in contrasting marble matrix.
Extra Info: Pargasite can be found in Afghanistan, Finland, France, Pakistan, Russia, Tanzania, USA and Vietnam.