Mineralpedia Details for Lefontite
Lefontite from João Teodoro mine, Linópolis, Minas Gerais, Brazil
Brown striated, flattened, prismatic crystals, associated with minor light-orange brown Greifensteinite, dark green divergent groups of acicular Gormanite. There may be some Beryllonite at the base.
Lefontite is a new IMA mineral described in 2014 (IMA 2014-075). This is the type locality but it was also found at the Palermo mine.