Goethite with Hematite and Quartz

Restormel Royal Iron Mine (Trinity Mine), Lostwithiel, St Austell District, Cornwall  United Kingdom

Specimen size: 6.2 × 5.1 × 3 cm = 2.44” × 2.01” × 1.18”
Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”