Color: Greenish Blue
Origin: Brazil
Shape: Oval
Dimensions: 5.53 × 3.53 x 2.40 mm
Weight: 0.29 carat
Treatment: No identification of treatment
Comment: This copper and manganese bearing tourmaline may be called "paraíba tourmaline" in the trade. The name "paraíba" comes from the Brazilian locality where this gem was first mined, however today it may