Photo: Wikimedia Commons

Mineral

Properties

Chemical formula

CaAl[(Al,Si)₄O₈(OH)₂](OH)₂·(H₂O,Cl)

Group

Oxides

Crystal system

Monoclinic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.DP.25

Dana classification

72.1.4.1

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Ams

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata