TR96AL3: Groups of twinned Cassiterite crystals, very sharp, shiny and translucent on the edges. On matrix, with short elongated Fluorapatite crystals of almost white color, aggregates of elongated crystals of Arsenopyrite and Quartz crystals.
Minas da Panasqueira, level 1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region  Portugal (2018)

Specimen size: 10.4 × 6.8 × 3.9 cm = 4.09” × 2.68” × 1.54”

Main crystal size: 1.3 × 0.7 cm = 0.51” × 0.28”