IMA mineral species

Comblainite

Ni₄Co³⁺₂(CO₃)(OH)₁₂·3H₂O

Hydrotalcite supergroup mineral.

Properties

Chemical formulaNi₄Co³⁺₂(CO₃)(OH)₁₂·3H₂O
ElementsNi, Co, C, O, H
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolCob
Nickel–Strunz class5.DA.50

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

🌍 Where it's found

Type locality (where it was first described): Shinkolobwe mine, Democratic Republic of the Congo

  • 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.