IMA mineral species

Vandenbrandeite

🪶 Soft, Scratches Easily

Cu(UO₂)(OH)₄

Uranyl hydroxide mineral.

Vandenbrandeite specimen
Vandenbrandeite makro2.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness4
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A steel knife scratches it, it won't scratch glass.

Chemical formulaCu(UO₂)(OH)₄
ElementsCu, U, O, H
Crystal systemTriclinic
Mohs hardness4
Density—
Streak—
Color—
IMA symbolVbd
Nickel–Strunz class4.GB.45

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

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 4: softer than a steel knife, so it scratches easily. Store it apart from harder stones.