Crystopedia
IMA mineral species

Aurorite

Mn²⁺Mn⁴⁺₃O₇·3H₂O

Hydroxide mineral.

BrownBlack

Aurorite specimen
Aurorite in calcite with pyrolusite Hydrous silver calcium manganese oxide Aurora Mine, Hamilton, Treasure Hill District, Nevada 2354.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaMn²⁺Mn⁴⁺₃O₇·3H₂O
ElementsMn, O, H
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolAro
Nickel–Strunz class4.FL.20

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

🌍 Where it's found

Type locality (where it was first described): North Aurora 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.

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