Photo: Kaneva, E., Radomskaya, T., Suvorova, L., Sterkhova, I., and Mitichkin, M. · CC BY 4.0

Phyllosilicate mineral

Properties

Chemical formula

—

Group

Silicates

Crystal system

Tetragonal

Hardness (Mohs)

—

Color

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Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P4/mbm

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

—

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Fcto

Locality

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Type locality

—

Discovery year

—

Source: Wikidata