IMA mineral species

Wallkilldellite

Ca₂Mn²⁺₃(AsO₄)₂(OH)₄ * 9H₂O

Arsenate mineral.

Wallkilldellite specimen
Wallkilldellite-(Fe).jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₂Mn²⁺₃(AsO₄)₂(OH)₄ * 9H₂O
ElementsCa, Mn, As, O, H
Crystal systemHexagonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolWlk
Nickel–Strunz class8.DL.20

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

🌍 Where it's found

Type locality (where it was first described): Sterling Hill, United States · Sterling Hill, 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.