Photo: Didier Descouens · CC BY-SA 4.0

Phyllosilicate mineral

Properties

Chemical formula

Ca₁₀Si₁₈O₄₆·18H₂O

Group

Silicates

Crystal system

Triclinic

Hardness (Mohs)

—

Color

White

Luster

—

Streak

White

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.EA.40

Dana classification

—

IMA status

Grandfathered mineral (G)

IMA symbol

Oke

Locality

Disko Island

Type locality

—

Discovery year

—

Source: Wikidata