Ferberite with Arsenopyrite, Quartz and Muscovite
As recorded:
Minas da Panasqueira, levels 0-1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal
190mm x 164mm x 78mm
Parallel growth of two very sharp Ferberite crystals on matrix with Arsenopyrite and Quartz crystals and coatings of Muscovite aggregates. Large in size, the piece is more aesthetic than usual due to the contrast of the Ferberite crystals with the Muscovite matrix.
Minas da Panasqueira, levels 0-1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (05/2019)
Specimen size: 19 × 16.4 × 7.8 cm = 7.48” × 6.46” × 3.07”
Main crystal size: 5 × 4.4 cm = 1.97” × 1.73”
Mineral(s)
Photo added to mindat.org
“Reference: EG36AM5
Parallel growth of two very sharp Ferberite crystals on matrix with Arsenopyrite and Quartz crystals and coatings of Muscovite aggregates. Large in size, the piece is more aesthetic than usual due to the contrast of the Ferberite crystals with the Muscovite matrix.
Minas da Panasqueira, levels 0-1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Portugal (05/2019)
Specimen size: 19 × 16.4 × 7.8 cm = 7.48” × 6.46” × 3.07”
Main crystal size: 5 × 4.4 cm = 1.97” × 1.73””
Jordi Fabre - 4th October 2021
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