Photo: David Hospital · CC BY-SA 4.0

Sorosilicate mineral

Properties

Chemical formula

Pb₆Ca₄(Si₂O₇)₃Cl₂

Group

Silicates

Crystal system

Hexagonal

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P6₃/m

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.BE.77

Dana classification

56.2.11.1

IMA status

Grandfathered mineral (G)

IMA symbol

Nso

Locality

🇺🇸 Parker shaft

Type locality

—

Discovery year

—

Source: Wikidata