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

Transitional structure between phyllosilicate and other silicate unit, mineral

Properties

Chemical formula

Na₃Fe²⁺₁₀Ti₂(Si₆O₁₇)₂O₂(OH)₆F(H₂O)₂

Group

Silicates

Crystal system

Monoclinic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

A2/m

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.EH.30

Dana classification

56.2.6b.3

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Naf

Locality

🇷🇺 Kukisvumchorr

Type locality

—

Discovery year

—

Source: Wikidata