about Tourmaline Paraiba
A paraiba tourmaline is a Blue (electric blue, neon blue, violet blue), bluish green to greenish blue or green elbaite tourmaline, of medium to high saturation and tone, mainly due to the presence of copper (Cu) and manganese (Mn) of whatever geographical origin. The name of the tourmaline variety "paraiba" is derived from the Brazilian locality where this gemstone was first mined.
Tourmaline is a birthstone for October
* (Group:) Tourmaline
* Species: Elbaite Tourmaline
* Variety: Paraiba Tourmaline
(Origin:) (Not determined), (Undetermined), (Brazil), (Nigeria), (Mozambique), (other)
Comments: Paraiba is a gem variety of elbaite tourmaline containg copper and manganese, (The variety name "paraiba" is derived from the Brazilian locality where this gemstone was first mined, however today it may come from a number of localities.)
Or, if paraiba is not used in the variety description-
This copper and manganese bearing albaite tourmaline may also be called "paraiba tourmaline" in the trade. The name "paraiba" is derived from the Brazilian locality where this gemstone was first mined, however today it may come from a number of localities.
Cuprian Purple pink TourmalineTreatment: natural
Shape: Oval modified brilliant cut
Clarity: SI eye clean
Weight: 6.56 carats
Color: Purplish Pink/ Violet
Beautiful purplish pink color. Excellent cut and polish. Eye clean clarity. Although this is a copper and manganese bearing tourmaline the color is not what is consistent with what is called "paraiba tourmaline but is called cuprian tourmaline in the trade. This tourmaline has under gone testing by the GIA report number 5191134790