IMA mineral species

Mundrabillaite

(NH₄)₂Ca(HPO₄)₂ * H₂O

Phosphate mineral.

Properties

Chemical formula(NH₄)₂Ca(HPO₄)₂ * H₂O
ElementsN, H, Ca, P, O
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMb
Nickel–Strunz class8.CJ.10

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

🌍 Where it's found

Type locality (where it was first described): Petrogale Cave, Australia

  • 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.