TA53G9: Twinned, giant (for the species) and sharp crystals of Stannite. It came from the finds of old miners in the famous San José Mine. The sample is exceptional both for the quality of Stannite and its esthetics and for the presence of acicular crystals of Zinkenite.
The specimen's photo has been reviewed and published in the magazine ‘Rocks & Minerals’ on page 460 in the volume 81, number 6, and in the magazine ‘extraLAPIS - English edition’ on page 31, number 12, "Bolivia".
San José Mine, Oruro City, Cercado Province, Oruro Department  Bolivia (10/2004)

Specimen size: 4 × 2.3 × 1.7 cm = 1.57” × 0.91” × 0.67”

Main crystal size: 2.1 × 1.4 cm = 0.83” × 0.55”