Oxide mineral

Properties

Chemical formula

(Y,Na)₆Zn(Zn,Fe³⁺)₄(Ti,Nb,Na)₁₂O₂₉(O,F,OH)₁₀F₄

Group

Oxides

Crystal system

Cubic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

4.DF.15

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Mrat-Y

Locality

🇺🇸 St Peters Dome

Type locality

—

Discovery year

—

Source: Wikidata