Photo: David Hospital · CC BY-SA 4.0

Halide-sulfide mineral

Properties

Chemical formula

AgHgClS

Group

Halides

Crystal system

Orthorhombic

Hardness (Mohs)

—

Color

Black

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

2.FC.20a

Dana classification

2.15.6.1

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Cga

Locality

🇫🇷 Cap Garonne mine

Type locality

—

Discovery year

—

Source: Wikidata