Teallite is a rare lead, tin sulfosalt and this rich and fine specimen is from the Co-type Locality - the Carguaicollo Mine of Bolivia. Scintillating, iridescent, lamellar lathes of teallite to 6 mm in a vein covers one face of the massive pyrite matrix. A vug of teallite is hidden on the side of the piece. Ex. Mullane Collection and is accompanied by an older Burminco label.