IMA mineral species

Dietrichite

🪶 Soft, Scratches Easily

ZnAl₂(SO₄)₄·22H₂O

Sulfate mineral.

Dietrichite specimen
Dietrichite - Mineralogisches Museum Bonn2.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness2
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Scratches with a fingernail.

Chemical formulaZnAl₂(SO₄)₄·22H₂O
ElementsZn, Al, S, O, H
Crystal systemMonoclinic
Mohs hardness2
Density—
Streak—
Color—
IMA symbolDtr
Nickel–Strunz class7.CB.85

“—” means no reliable value in Wikidata yet. Check Mindat for full data.

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 2: softer than a steel knife, so it scratches easily. Store it apart from harder stones.