Sugilite tumbled
A variety of Sugilite
What is Sugilite tumbled?
The rare sugilite tumbled is found in shades of bright pink through to deep purple. First found in Japan, significant sources of sugilite tumbled have been located in South Africa, India, and Canada. It is made into beads, cabochons, and carved into figurines. It is also used as an inlay for decorative boxes.
Optical Properties
- Refractive Index
- 1.607-1.612
- Birefringence
- 0.003-0.005
- Pleochroism
- Weak
- Optical Character
- Uniaxial negative
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Sugilite tumbled 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.
Quick Facts
Physical Properties
- Streak
- White
Chemical Properties
- Chemical Formula
- KNa2Fe3+2(Li3Si12)O30
- Elements
- Fe, K, Li, Na, O, Si
Also Known As
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