Definition
A singly refractive gemstone occurring in red, pink, blue, purple, and gray with bright sparkle.
Key Features
- Hardness 8 with good toughness
- Often untreated and eye clean
- Red and cobalt blue are highly prized
- Excellent brilliance due to high refractive index
Origin and History
Historically mistaken for ruby in royal jewels. Today sources include Myanmar, Sri Lanka, Tanzania, and Vietnam.
Buying Guide
Choose vivid saturation and lively brilliance. Seek reputable origin and color disclosure for rare hues.
- Prioritize bright, open color without brown or gray
- Confirm cobalt blue claims with lab reports
- Consider precision cuts to maximize sparkle
Care and Maintenance
Clean with mild soap and water. Suitable for regular wear with care.
Related Comparisons
FAQs
Why was spinel confused with ruby
Similar red color led to historical misidentification before modern testing.
Is spinel treated
Many spinels are untreated which appeals to collectors.
What colors does spinel come in
A wide range including red, pink, orange, blue, purple, and gray.