Description
Variety: Natural Dark Opal Type 1
Origin: Lightning Ridge
Weight: 2.56 Carats
Body Tone: Black N5 (10)
Brightness: Bright
Colour: Green-Blue
Hue: Normal Tones
Transparency: Transparent
Outline: Oval Shape
Profile: Low Cabochon
Pattern: Mixed Pattern
Display: Weak or Blank at 2 Angles
Distribution: 40–49%
Inclusions: No Inclusions
Physical Properties:
- Absorption Spectra: 660nm, 470nm
- Birefringence: None
- Category: Mineraloid (Amorphous)
- Cleavage: None
- Crystal Form: Amorphous pseudomorph, botryoidal
- Crystal Habit: Irregular nodular veins
- Crystal System: Amorphous
- Composition: Hydrous silicon dioxide, 3–21% weight
- Density: 2.09
- Diaphaneity: Opaque/translucent/transparent
- Fluorescence: May phosphoresce under long/short wave UV light
- Formula: SiO2nH2O
- Formation: Igneous environments
- Fracture: Conchoidal – Uneven
- Group: Silicates; Tectosilicates; Silica Group
- Lustre: Vitreous – Resinous
- Mohs Scale: 4.5–6.5
- Pleochroism: None
- Polish: 2.15+0.08-0.09
- Specific Gravity: 1.98–2.25
- Transparency: Transparent to opaque
- Tenacity: Brittle
- Streak: White
- Popularity: (1–4) 1
- Prevalence: (1–3) 1
Pricing Details:
- Carat Weight: 2.56 Carats
- Price Per Carat: $206.25–$250.97
- Total Value: $528.00–$643.00
Description:
This exquisite 2.56-carat natural dark opal originates from the world-renowned Lightning Ridge. Its captivating green-blue hues paired with a mixed pattern make it a mesmerizing gem. Transparent and elegantly cut into a low cabochon oval shape, this opal showcases its natural beauty and brilliance.
As a Type 1 dark opal with no visible inclusions, it stands as a collector’s dream and a jeweler’s delight, perfect for creating bespoke jewelry that leaves a lasting impression.
Note: All opals are photographed and filmed without any editing or adjustments. The true colors and stunning patterns are even more remarkable in person, ensuring this opal will exceed your expectations.
