Photo: Wikimedia Commons

Phosphate mineral

Properties

Chemical formula

(Ca,U,Fe)(PO₄,SO₄)·2H₂O

Group

Phosphates

Crystal system

—

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

8.CJ.45

Dana classification

40.4.7.6

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Ttm

Locality

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Type locality

—

Discovery year

—

Source: Wikidata