Goethite

La Quille du Roy, Montredon-Labessonnié, Le Haut Dadou, Castres, Tarn, Occitanie  France (2007)

Specimen size: 6.6 × 4.5 × 3.6 cm = 2.60” × 1.77” × 1.42”
Main crystal size: 0.9 × 0.3 cm = 0.35” × 0.12”