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: 5.4 × 4.3 × 2.7 cm = 2.13” × 1.69” × 1.06”