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: 9.4 × 6.1 × 3.8 cm = 3.70” × 2.40” × 1.50”