7.69 ct Superb Fancy (22.13 x 11.72mm) Natural Australian Boulder Opal

7.69 ct Superb Fancy (22.13 x 11.72mm) Natural Australian Boulder Opal

USD 56.94 USD
SKU: nOOdiWXQ
Brand: DeluxeGems
GTIN: Does not apply
Condition: New with tags
Categories: Fine Jewelry

Specifications

Materials Sourced FromAustralia
Country Of OriginAustralia
Gemstone TypeBoulder Opal
Gemstone ShapeFancy
Gemstone ColorMulti Color
Gemstone CreationNatural
Gemstone FormPolished
Gemstone TreatmentUnheated / Untreated
Item Length22.13
Item Width11.72
Item Depth3.66
BrandDeluxeGems
Cut GradeExcellent
Gemstone Clarity GradeOpaque
TransparencyOpaque
Total Carat Weight (TCW)7.69
Total Carat Weight7.69
Size22.13 x 11.72 x 3.66 mm
Fancy ColorMulti Color
ClarityOpaque
CutExcellent
LusterExcellent
Natural/Lab-CreatedNatural
Hardness6.5 Mohs scale
Refractive Index1.37-1.47
Specific Gravity2.1
SKU217556-2O13N3

7.69 ct Superb Fancy Shape (22 x 12 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone. Boulder Opal. Mohs Hardness: 5.5-6.5 Found in Australia History: Opal is a semi-transparent solidified mineral composed of silicon and water.

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