Nontronite (variety calcian) with Hollandite

Can Súria Quarry (Guixeres Quarry), Maçanet de la Selva, Comarca La Selva, Gerona / Girona, Catalonia / Catalunya  Spain (05-06/2008)

Specimen size: 10 × 8.2 × 4.8 cm = 3.94” × 3.23” × 1.89”