Hydroxycalciopyrochlore

(Ca,Na,U,☐)₂(Nb,Ti)₂O₆(OH)

Cubico crown IMA approved

Composition

Composizione (% in peso)

Nb

O

Ca

NbNiobium49.0%
OOxygen29.6%
CaCalcium21.2%
HHydrogen0.3%

Étymologie

Nommé d'après calcium.

Chakras secondaires