Oxide mineral

Properties

Chemical formula

Sr(Y,U,Mn)(Ti,Fe,Cr,V)₁₈(O,OH)₃₈

Group

Oxides

Crystal system

Trigonal

Hardness (Mohs)

—

Color

Black

Luster

—

Streak

Black

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

4.CC.40

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Dss-Y

Locality

🇮🇹 Buca della Vena mine

Type locality

—

Discovery year

—

Source: Wikidata