Ekebergite

ekebergite

thallium

niobium

Images

Formula: ThFeNb₂O₈
Valence: Th⁴⁺Fe²⁺Nb⁵⁺₂O₈
Oxide of thallium, ferrous iron and niobium
Crystal system: Monoclinic Environments

Volcanic igneous environments

Ekebergite is a relatively new mineral, approved in 2018 but to date (June 2026) still pending publication.

Localities

The type locality is the In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany.
Ekebergite from the In den Dellen quarries - Image

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