Greifensteinite wth Muscovite and Albite

Xanda Mine, Virgem da Lapa, Jequitinhonha, Minas Gerais  Brazil

Specimen size: 8.7 × 7.4 × 4.9 cm = 3.43” × 2.91” × 1.93”
Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”