|Name ||PARGASITE |
|Variety ||PARGASITE |
|Origin ||Luc Yen (Yenbai) Vietnán |
|Hardness ||5-6 |
|Composition ||NaCa2(Mg,Fe2+)4Al2O22(OH)2 |
|Crystaline sys. ||MONOCLINIC
|Size ||11,5x9x5 cm |
|Weight ||470 gr |
Pargasite is a complex inosilicate mineral of the amphibole group.
It was first described for an occurrence in Pargas, Finland in 1814 and named for the locality.
It occurs in high temperature regional metamorphic rocks like marble.
One of the best occurrences is in Vietnan.
The transparent and with good green color its consider gems material.