Cyclosilicate mineral

Properties

Chemical formula

(K,☐)(Ca,Na)₂ThSi₈O₂₀·nH₂O

Group

Silicates

Crystal system

Tetragonal

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P4/mcc

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.CH.10

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Tkt

Locality

🇹🇯 Darai-Pioz glacier

Type locality

—

Discovery year

—

Source: Wikidata