Aquamarine tumbled
A variety of Aquamarine
What is Aquamarine tumbled?
Aquamarine tumbled is a valuable gem of delicate beauty, distinguished by its pale blue to light green color. It is mined in many localities around the world, but the most important ones are Brazil and India. Cut into beads, cabochons, and brilliants, aquamarine tumbled is used for jewelry making, but larger specimens can be carved into figures.
Optical Properties
- Refractive Index
- 1.570-1.592
- Birefringence
- 0.005-0.009
- Pleochroism
- Dichroism: Colorless to greenish bluish, blue to sky blue
- Greenish-blue stones - distinct: yellowish-greenish, blue-green
- Optical Character
- Uniaxial negative
- Dispersion
- 0.014
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Aquamarine 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.
Where to Find Aquamarine tumbled
Aquamarine tumbled is a variety of Aquamarine. RockHoundR, the free-to-download rockhounding map from the Ruby Glint team, shows where collectors find aquamarine in the US, with land-access notes for BLM land and national forests. Collecting is banned in national parks.
See where to find aquamarineAlways check the local rules and get the landowner's permission before you collect.
Quick Facts
Physical Properties
- Streak
- White
Chemical Properties
- Chemical Formula
- Be3Al2Si6O18
- Elements
- Al, Be, O, Si
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