IMA mineral species

Davidbrownite-(NH4)

(NH₄)₅(V₄+O)₂(C₂O₄)[PO₂.₇₅(OH)₁.₂₅]₄·3H₂O

Hydrous oxalate phosphate mineral.

Properties

Chemical formula(NH₄)₅(V₄+O)₂(C₂O₄)[PO₂.₇₅(OH)₁.₂₅]₄·3H₂O
ElementsN, H, V, O, C, P
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolDbn-NH4

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

🌍 Where it's found

Type locality (where it was first described): Rowley mine, 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.