IMA mineral species

Vapnikite

Ca₂CaUO₆

Oxide mineral, an analogue of β-Ca₃UO₆.

Properties

⛏ Mohs hardness5
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💅🪙🍶🔪💎

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

⚖ Density4.932 g/cm³
Very heavy
Chemical formulaCa₂CaUO₆
ElementsCa, U, O
Crystal systemMonoclinic
Mohs hardness5
Density4.932 g/cm³
Streak—
Color—
IMA symbolVpn

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

🌍 Where it's found

Type locality (where it was first described): Jabel Harmun, Palestine