Greifensteinite with Muscovite and Albite

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

Specimen size: 9.2 × 8.4 × 5.8 cm = 3.62” × 3.31” × 2.28”
Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”