IMA mineral species

Chlormayenite

Ca₁₂Al₁₄O₃₂[☐₄Cl₂]

Mayenite supergroup, mayenite mineral.

White & Clear

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

Properties

🔷 Cubic✏️ streak white
Chemical formulaCa₁₂Al₁₄O₃₂[☐₄Cl₂]
ElementsCa, Al, O, Cl
Crystal systemCubic
Mohs hardness—
Density—
Streakwhite
Color—
IMA symbolCmy
Nickel–Strunz class4.CC.20

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

🌍 Where it's found

Type locality (where it was first described): Bellerberg volcano, 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.