IMA mineral species

Melanovanadite

🪶 Soft, Scratches Easily

Ca(V⁵⁺,V⁴⁺)₄O₁₀·5H₂O

Vanadium oxide mineral.

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

Properties

⛏ Mohs hardness2.5
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💅🪙🍶🔪💎

Scratches with a fingernail.

Chemical formulaCa(V⁵⁺,V⁴⁺)₄O₁₀·5H₂O
ElementsCa, V, O, H
Crystal systemTriclinic
Mohs hardness2.5
Density—
Streak—
Color—
IMA symbolMvd
Nickel–Strunz class4.HE.05

“—” 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.