IMA mineral species

Nováčekite

🪶 Soft, Scratches Easily

Mg(UO₂)₂(AsO₄)₂·10H₂O

Uranyl arsenate mineral.

Properties

⛏ Mohs hardness2.5
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💅🪙🍶🔪💎

Scratches with a fingernail.

Chemical formulaMg(UO₂)₂(AsO₄)₂·10H₂O
ElementsMg, U, O, As, H
Crystal system—
Mohs hardness2.5
Density—
Streak—
Color—
IMA symbolNvč

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

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 2.5: softer than a steel knife, so it scratches easily. Store it apart from harder stones.