Photo: Robert M. Lavinsky · CC BY-SA 3.0

Rare mineral composed of palladium and mercury12. It was discovered by Sir John Harrison in British Guiana (now Guyana)

Properties

Chemical formula

PdHg

Group

Oxides

Crystal system

Tetragonal

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P4/mmm

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

1.AD.25

Dana classification

—

IMA status

Grandfathered mineral (G)

IMA symbol

Ptr

Locality

🇬🇾 Kaieteur Falls

Type locality

—

Discovery year

—

Source: Wikidata