Fluor-dravite
A variety of Tourmaline Group
What is Fluor-dravite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Fluor-dravite 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.
Fluor-dravite Localities Map
See where Fluor-dravite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Blackish brown
- Hardness (Mohs)
- 7
- Density
- 3.12 g/cm³
- Streak
- Pale brown
Chemical Properties
- Chemical Formula
- Na(Mg3)Al6(Si6O18)(BO3)3(OH)3F
- Elements
- Al, B, F, H, Mg, Na, O, Si
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Fluor-dravite FAQs
How do I identify Fluor-dravite?
Fluor-dravite can be identified by its hardness of 7 on the Mohs scale, Blackish brown color. Look for these key characteristics when examining specimens.
What color is Fluor-dravite?
Fluor-dravite typically appears in Blackish brown. Color can vary depending on impurities and formation conditions.
How hard is Fluor-dravite?
Fluor-dravite has a hardness of 7 on the Mohs scale. This makes it a relatively hard mineral suitable for jewelry.
