IMA mineral species

Cassidyite

Ca₂Ni(PO₄)₂·2H₂O

Phosphate mineral.

Green

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

Properties

Chemical formulaCa₂Ni(PO₄)₂·2H₂O
ElementsCa, Ni, P, O, H
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Colorlight green
IMA symbolCdy
Nickel–Strunz class8.CG.05

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

🌍 Where it's found

Type locality (where it was first described): Wolfe Creek Crater, 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.