IMA mineral species

Ajoite

K₃Cu²⁺₂₀Al₃Si₂₉O₇₆(OH)₁₆·8H₂O

Mineral, copper phyllosilicate.

Green

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

Properties

Chemical formulaK₃Cu²⁺₂₀Al₃Si₂₉O₇₆(OH)₁₆·8H₂O
ElementsK, Cu, Al, Si, O, H
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolAj
Nickel–Strunz class9.EA.70

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

🌍 Where it's found

Type locality (where it was first described): New Cornelia mine, United States

  • 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.