Photo: Maurizio Dini · CC BY 3.0

Sulfosalt mineral

Properties

Chemical formula

[Ag₆As₂S₇][Ag₁₀HgAs₂S₈]

Group

Sulfides

Crystal system

Monoclinic

Hardness (Mohs)

—

Color

Purple

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

C₂

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

2.LA.30

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Ftt

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata