TF46J3: Notable and esthetic group of tabular crystals, doubly terminated, transparent, bright and with zonation of color. They are on a Muscovite matrix with small crystals of Siderite.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region  Portugal (±1979)

Specimen size: 4.5 × 2.7 × 1.8 cm = 1.77” × 1.06” × 0.71”

Main crystal size: 1.8 × 1.5 cm = 0.71” × 0.59”