Tourmalinated Quartz tumbled
A variety of Tourmalinated Quartz
What is Tourmalinated Quartz tumbled?
A type of clear quartz, tourmalinated Quartz tumbled is valued for its dark, needle-like inclusions that give interest to a grayish background stone. It is mined in many localities around the world, but the most important mines are located in Brazil. It is often cut into beads and used in jewelry-making.
Optical Properties
- Refractive Index
- 1.544-1.553
- Birefringence
- 0.009
- Pleochroism
- Weakly dichroic
- Optical Character
- Biaxial positive
- Dispersion
- 0.013
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Tourmalinated Quartz 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.
Tourmalinated Quartz tumbled Localities Map
See where Tourmalinated Quartz tumbled is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Streak
- White
Chemical Properties
- Chemical Formula
- SiO2
- Elements
- O, Si
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