Doubly terminated quartz crystal with a very unusual morphology, very flattened, with two very different terminations, the upper one normal and the lower polycrystalline. Transparent, lustrous, almost completely covered on the back by small white rhombohedral Dolomite crystals and with Fluorapatite crystals and Pyrite microcrystals.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (±2000)
Specimen size: 16.2 × 6 × 2 cm = 6.38” × 2.36” × 0.79”
|