Halide mineral

Properties

Chemical formula

Pb₇O₄[Mg(OH)₄](OH)Cl₃

Group

Halides

Crystal system

Orthorhombic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

Pnma

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

—

Dana classification

10.6.17.

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Rtn

Locality

🇬🇧 Torr Works Quarry

Type locality

—

Discovery year

—

Source: Wikidata