Mimetite with Calcite

Megala Pefka Mines, Legrena Valley, Lavrion, Lavrion Mining District, Attikí (Attica) Prefecture  Greece

Specimen size: 5.3 × 3.3 × 3.1 cm = 2.09” × 1.30” × 1.22”
Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”