IMA mineral species

Hannebachite

🪶 Soft, Scratches Easily

CaSO₃·0.5H₂O

Sulfite mineral.

Hannebachite specimen
Hannebachite-283918.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness3.5
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💅🪙🍶🔪💎

A copper coin scratches it.

Chemical formulaCaSO₃·0.5H₂O
ElementsCa, S, O, H
Crystal system—
Mohs hardness3.5
Density—
Streak—
Color—
IMA symbolHbc
Nickel–Strunz class4.JE.10

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

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 3.5: softer than a steel knife, so it scratches easily. Store it apart from harder stones.

🌍 Where it's found

Type locality (where it was first described): Brohltal, Germany

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.