Fake Opal
A variety of Opal
What is Fake Opal?
A fake Opal is a manufactured material that imitates natural Opal. It is created using synthetic opal, plastic, or glass and comes in different colors and patterns. Unlike a natural opal, a fake Opal is stable over time and won't crack or turn yellow, which makes it low maintenance. Additionally, it is easier and cheaper to manufacture than a natural Opal.
Optical Properties
- Refractive Index
- 1.37-1.52
- Pleochroism
- None
- Optical Character
- Isotropic
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Fake Opal before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Fake Opal Localities Map
See where Fake Opal is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless, white, blue, orange, yellow, brown, red, green
- Streak
- White
- Luster
- Vitreous, Resinous, Waxy
Chemical Properties
- Chemical Formula
- SiO2 · nH2O
- Elements
- H, O, Si
Also Known As
Identify Fake Opal Instantly
- Snap a photo, get instant results
- 6,700+ rocks, minerals & crystals
- Discover collecting spots near you
Fake Opal FAQs
How do I identify Fake Opal?
Fake Opal can be identified by its Colourless color, Vitreous, Resinous, Waxy luster. Look for these key characteristics when examining specimens.
What color is Fake Opal?
Fake Opal typically appears in Colourless, white, blue, orange, yellow, brown, red, green. Color can vary depending on impurities and formation conditions.
