Ferberite with Arsenopyrite, Siderite - image 1
Ferberite with Arsenopyrite, Siderite - image 2
specimen video

Ferberite with Arsenopyrite, Siderite

Unknown Owner
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Neat combination specimen from this classic locality. A cluster of lustrous bladed black metallic ferberite crystals is posting a grouping of double terminated lustrous silver metallic arsenopyrite crystals measuring 3.5 cm in length and double terminated. Crystallized siderite is present as well. This is in terrific condition all around.

Product details

SpeciesSiderite, Ferberite, Arsenopyrite
SizeSmall Cabinet
Dimensions9.0 x 5.5 x 2.5 cm
Added on12/12/2024
LocalityPortugal, Panasqueira Mines

Known provenance

DateCollectorAcquisition price
05/2025Unknown Owner$275.00
—Weinrich MineralsNot disclosed

Learn more

Siderite
Mineral guide
Learn about Siderite
warm-toned iron carbonate with sharp rhombohedra and occasional gemmy crystals; prized for luster, classic localities Harz, Panasqueira, Dal’negorsk.
Siderite
Regional guide
Siderite from Panasqueira Mines, Portugal
from Panasqueira, Portugal — lustrous tan to cream rhombohedra in rosettes and masses; a world-class, modern classic from a magmatic-hydrothermal vein.