Description
Opal Details
- Variety: Natural Light Opal Type 1
- Body Tone: Light N9 (19)
- Brightness: Slightly Bright
- Transparency: Translucent
- Colour: Multicolour
- Hue: Normal Tones
- Outline: Oval Shape
- Profile: Low Cabochon
- Origin: South Australia
- Pattern: Mixed Pattern
- Display: Weak or Blank at 1 Angle
- Distribution: Over 80%
- Inclusions: Loupe Visible Only
Physical Properties
- MOHS Scale: 4.5 – 6.5
- Polish: 2.15 ± 0.08 – 0.09
- Refractive Index (R.I.): 4.450 ± 0.020
- Specific Gravity: 1.98 – 2.25
- Carat Weight: 5.72 Carats
- Formula: SiO₂·nH₂O
- Fracture: Conchoidal – Uneven
- Lustre: Vitreous – Resinous
- Fluorescence: May phosphoresce in long/short wave
- Absorption: Spectra 660nm, 470nm
- Category: Mineraloid (Amorphous)
- Crystal Habit: Irregular ‘nodular’ veins
- Composition: Hydrous silicon dioxide (3-21% weight)
- Crystal Form: Amorphous, pseudomorph, botryoidal
Valuation
- Price Per Carat: $200
- Total Opal Value: $1,144
This exquisite 5.72-carat natural light opal is a masterpiece from South Australia, showcasing a harmonious blend of multicolour tones in a translucent body. Its mixed patterns and slightly bright appeal are set in a low cabochon oval shape. With over 80% distribution of colours and loupe-visible inclusions only, this opal makes a perfect choice for collectors and jewelry enthusiasts. Carefully crafted and polished to perfection, this gem is designed to leave an impression of timeless beauty.
Note: We have inspected this opal to assess its current market value for insurance purposes. This report is confidential and should not be reproduced or relied upon for any other purpose without express written authority.
