Photo: Joan Rosell, from rosellminerals.com · CC BY-SA 4.0

Hydrous sulfate mineral

Properties

Chemical formula

—

Group

Sulfates

Crystal system

Monoclinic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P2₁/c

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

—

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Feh

Locality

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Type locality

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Discovery year

—

Source: Wikidata