Hydroxylapatite on Quartz

Sapo Mine, Ferruginha, Conselheiro Pena, Vale do Rio Doce, Minas Gerais  Brazil

Specimen size: 19.8 × 12.1 × 6.2 cm = 7.80” × 4.76” × 2.44”
Main crystal size: 2.2 × 1.3 cm = 0.87” × 0.51”