4.77 ct Octagon (13.82 x 7.97 mm) Unheated / Untreated Watermelon Tourmaline

4.77 ct Octagon (13.82 x 7.97 mm) Unheated / Untreated Watermelon Tourmaline

USD 329.79 USD
SKU: mj4ZIZYh
Brand: DeluxeGems
GTIN: Does not apply
Condition: New with tags
Categories: Fine Jewelry

Specifications

Materials Sourced FromBrazil
Country Of OriginBrazil
Gemstone TypeWatermelon Tourmaline
Gemstone ShapeOctagon
Gemstone ColorBi Color
Gemstone CreationNatural
Gemstone FormPolished
Gemstone TreatmentUnheated / Untreated
Item Length13.82
Item Width7.97
Item Depth4.57
BrandDeluxeGems
Cut GradeExcellent
Gemstone Clarity GradeEye Clean
TransparencyTransparent
Total Carat Weight (TCW)4.77
Total Carat Weight4.77
Size13.82 x 7.97 x 4.57 mm
Fancy ColorBi Color
CutExcellent
LusterExcellent
Natural/Lab-CreatedNatural
Hardness7.5 Mohs scale
Refractive Index1.62-1.64
Specific Gravity3.06
SKU230926-1P21SK

Slices of this stone should have a green rind with a pink center. There are currently 10 different varieties in the tourmaline family. Tourmaline is estimated to have been used as a gem for over 2000 years, especially by the Chinese.

Related Items