Pink Opal
A variety of Opal
What is Pink Opal?
One of the many color varieties of the well-known precious stone, pink Opal is often polished into attractive beads and tumbled stones. The best-known source of pink Opal is Peru, where the majority of the pink-colored Opal is mined. Pink Opal, like all Opal varieties, is a highly-popular gemstone and the birthstone of October.
Optical Properties
- Refractive Index
- 1.37-1.52
- Pleochroism
- None
- Optical Character
- Isotropic
Discover Values
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Pink 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.
Pink Opal Localities Map
See where Pink Opal is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Health & Safety Information
- ⚠️Quartz, silica, crystalline silica and flint are non-toxic materials, but very fine dust containing quartz, known as respirable crystalline silicon (RCS), can cause serious and fatal lung disease. Lapidaries should exercise caution when cutting silica.
Quick Facts
Physical Properties
- Color
- Pink
- Hardness (Mohs)
- 6
- Density
- 1.98 - 2.25 g/cm³
- Streak
- White
- Luster
- Vitreous, Waxy, Resinous
- Crystal System
- Amorphous
Chemical Properties
- Chemical Formula
- SiO2·nH2O
- Elements
- H, O, Si
Also Known As
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Pink Opal FAQs
How do I identify Pink Opal?
Pink Opal can be identified by its hardness of 6 on the Mohs scale, Pink color, Vitreous, Waxy, Resinous luster, Amorphous crystal system. Look for these key characteristics when examining specimens.
What color is Pink Opal?
Pink Opal typically appears in Pink. Color can vary depending on impurities and formation conditions.
How hard is Pink Opal?
Pink Opal has a hardness of 6 on the Mohs scale. This gives it moderate hardness.
