Arsenopyrite and Siderite - image 1
specimen video

Arsenopyrite and Siderite

Unknown Owner
Well formed Arsenopyrite crystals disposed on matrix with brown Siderite crystals and Muscovite. The condition is excellent. On matrix of Quartz crystals totally coated by Chlorite and Siderite.

Product details

Species
Siderite, ArsenopyriteAbout Siderite →
SizeSmall Cabinet
Dimensions5.5 x 10.0 cm
Added on06/16/2025
Locality
Portugal, Panasqueira MinesRegional guide →

Known provenance

DateCollectorAcquisition price
06/2025Unknown OwnerNot disclosed
—MChMineralsNot 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
Panasqueira siderite, Portugal — brown rhombohedra in tan to cream hues from a renowned vein deposit; co-occurs with quartz and fluorapatite, a collector favor…