Tantite
A variety of Minerals
What is Tantite?
Tantite is a rare tantalum oxide mineral with formula: Ta2O5. Tantite forms transparent microscopic colorless triclinic - pedial crystals with an adamantine luster. It has a Mohs hardness of 7 and a high specific gravity of 8.45. Chemical analyses show minor inclusion (1.3%) of niobium oxide. It was first described in 1983 for an occurrence in a pegmatite in the Kola peninsula, Russia. It has also been reported from a pegmatite complex in Florence County, Wisconsin. Associated mineral species include elbaite, lepidolite, spodumene, columbite-tantalite, wodginite, and microlite.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Tantite 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.
Tantite Localities Map
See where Tantite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless
- Hardness (Mohs)
- 7
- Streak
- White
Chemical Properties
- Chemical Formula
- Ta2O5
- Elements
- O, Ta
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Tantite FAQs
How do I identify Tantite?
Tantite can be identified by its hardness of 7 on the Mohs scale, Colourless color. Look for these key characteristics when examining specimens.
What color is Tantite?
Tantite typically appears in Colourless. Color can vary depending on impurities and formation conditions.
How hard is Tantite?
Tantite has a hardness of 7 on the Mohs scale. This makes it a relatively hard mineral suitable for jewelry.
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