Definition
A silicate mineral occurring in a variety of colors from colorless to blue and imperial orange.
Key Features
- Hardness 8 with perfect basal cleavage
- Blue topaz is commonly produced by treatment
- Imperial topaz exhibits vivid orange to pinkish orange
- High brilliance when well cut
Origin and History
Sources include Brazil, Pakistan, Nigeria, and Russia. Blue topaz became popular through irradiation and heating.
Buying Guide
Decide between natural colors and treated blue tones. Check for cleavage risks in ring settings.
- Imperial hues are rarer and command premiums
- For daily wear choose protective settings due to cleavage
- Confirm treatment disclosures especially for blue topaz
Care and Maintenance
Clean with mild soap and avoid ultrasonic cleaners. Protect from sharp blows along cleavage planes.
Related Comparisons
- Aquamarine vs Topaz
- Citrine vs Topaz
FAQs
Why is most blue topaz treated
Irradiation and heating create stable blue hues from colorless or light material.
Is topaz good for engagement rings
It can be used with protective settings but cleavage requires care.
What is imperial topaz
A rare variety with saturated orange to pinkish orange colors.