IMA mineral species

Hydrocalumite

Ca₄Al₂(OH)₁₂(Cl,CO₃,OH)₂ * 4H₂O

Hydrotalcite group mineral.

Hydrocalumite specimen
Hydrocalumite.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₄Al₂(OH)₁₂(Cl,CO₃,OH)₂ * 4H₂O
ElementsCa, Al, O, H, Cl, C
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolHcl
Nickel–Strunz class4.FL.10

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

🌍 Where it's found

Type locality (where it was first described): Scawt Hill, United Kingdom

  • 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.