Digital Stone Passport
BG-2024-0077
Ethiopian Black Opal
Billoo Gems
Digital Stone Passport
Rare by Nature
BG-2024-0077
A smoke-treated Wollo opal with broad flashes of red, green and blue. Treatment disclosed, as always.
I. Gemological Identity
- Stone ID
- BG-2024-0077
- Species
- Opal
- Variety
- Black Opal
- Carat Weight
- 4.1 ct
- Colour
- Full-spectrum play of colour
- Shape
- Cabochon
II. Geographic Origin
- Country
- Ethiopia
- Region
- Wollo
III. Treatment Disclosure
- Treatment
- Other — Smoke-treated, disclosed
- Transparency
- Disclosed
IV. Certification
- Laboratory
- Not certified
- Status
- Available
V. Care Instructions
- 1
- Never ultrasonic
- 2
- Avoid prolonged soaking — Wollo opal is hydrophane
Issued by Billoo Gems · Peshawar, Pakistan · This passport is a statement of what is known about the stone at the time of listing.