IMA mineral species

Mcnearite

NaCa₅(AsO₄)(HAsO₄)₄ * 4H₂O

Arsenate mineral.

Mcnearite specimen
Mcnearite-830846.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNaCa₅(AsO₄)(HAsO₄)₄ * 4H₂O
ElementsNa, Ca, As, O, H
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMnr
Nickel–Strunz class8.CJ.55

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

🌍 Where it's found

Type locality (where it was first described): Mount Neuenberg silver mines, France

  • 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.