Euxenite-(y)
Euxenite-(Y)
A variety of Euxenite Group
What is Euxenite-(y)?
Euxenite or euxenite-(Y) (a correct mineralogical name) is a brownish black mineral with a metallic luster.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Euxenite-(y) 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.
Euxenite-(y) Localities Map
See where Euxenite-(y) is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Formation of Euxenite-(y)
It occurs in granite pegmatites and detrital black sands. It is found in many locations worldwide, notably its type locality in Jølster, Sunnfjord, Norway. Other locations include the Ural Mountains of Russia; Sweden; Minas Gerais, Brazil; Ampangabe, Madagascar; Ontario, Canada; and in Arizona, Wyoming and Colorado in the US.
Quick Facts
Physical Properties
- Color
- Black, greenish or brownish tint at times
- Hardness (Mohs)
- 5.5 - 6.5
- Density
- 5.16 g/cm³
- Streak
- Yellowish, grayish, reddish brown
Chemical Properties
- Chemical Formula
- (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 Usually the sum (Nb+Ta) is close to Ti, in other words (Nb+Ta)/Ti ~ 1. Synthetic end-member: YTiNbO6
- Elements
- Ca, Ce, Nb, O, Ta, Th, Ti, U, Y
Also Known As
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Euxenite-(y) FAQs
How do I identify Euxenite-(y)?
Euxenite-(y) can be identified by its hardness of 5.5 - 6.5 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.
What color is Euxenite-(y)?
Euxenite-(y) typically appears in Black, greenish or brownish tint at times. Color can vary depending on impurities and formation conditions.
How hard is Euxenite-(y)?
Euxenite-(y) has a hardness of 5.5 - 6.5 on the Mohs scale. This gives it moderate hardness.
What is the formation of euxenite-(y) of Euxenite-(y)?
It occurs in granite pegmatites and detrital black sands. It is found in many locations worldwide, notably its type locality in Jølster, Sunnfjord, Norway. Other locations include the Ural Mountains of Russia; Sweden; Minas Gerais, Brazil; Ampangabe, Madagascar; Ontario, Canada; and in Arizona, Wyoming and Colorado in the US.