Ixiolite
A variety of Minerals
What is Ixiolite?
Ixiolite is an accessory oxide mineral found in granitic pegmatites. It is an oxide with the general chemical formula (Ta,Nb,Sn,Mn,Fe)4O8 or (Ta,Mn,Nb)O2.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Ixiolite 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.
Ixiolite Localities Map
See where Ixiolite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Formation of Ixiolite
It was first described in 1857 for an occurrence at Skogsböle, Kimito Island, Finland. The name is for Ixion, the Greek mythological character related to Tantalus, as the mineral contains tantalum. Ixiolite is typically associated with feldspar, tapiolite, cassiterite, microlite, and rutile.
Composition of Ixiolite
Ixiolite was originally reported as crystallizing in the monoclinic crystal system. Detailed studies of the scandium, tin and titanium rich varieties indicate that they form crystals in the orthorhombic system whereas tungsten ixiolite is monoclinic.
Quick Facts
Physical Properties
- Color
- Steel-grey, black
- Hardness (Mohs)
- 6 - 6.5
- Density
- 7.39 g/cm³
Chemical Properties
- Chemical Formula
- (Ta,Nb,Sn,Fe,Mn)4O8
- Elements
- Mn, Nb, O, Ta
Also Known As
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Ixiolite FAQs
How do I identify Ixiolite?
Ixiolite can be identified by its hardness of 6 - 6.5 on the Mohs scale, Steel-grey color. Look for these key characteristics when examining specimens.
What color is Ixiolite?
Ixiolite typically appears in Steel-grey, black. Color can vary depending on impurities and formation conditions.
How hard is Ixiolite?
Ixiolite has a hardness of 6 - 6.5 on the Mohs scale. This gives it moderate hardness.
What is the formation of ixiolite of Ixiolite?
It was first described in 1857 for an occurrence at Skogsböle, Kimito Island, Finland. The name is for Ixion, the Greek mythological character related to Tantalus, as the mineral contains tantalum. Ixiolite is typically associated with feldspar, tapiolite, cassiterite, microlite, and rutile.
What is the composition of ixiolite of Ixiolite?
Ixiolite was originally reported as crystallizing in the monoclinic crystal system. Detailed studies of the scandium, tin and titanium rich varieties indicate that they form crystals in the orthorhombic system whereas tungsten ixiolite is monoclinic.
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