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

Arsenopyrite with Muscovite, Siderite

Unknown Owner
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Semi lustrous picked metallic crystals of arsenopyrite measuring to 3.0 cm in size in a cluster with crystallized siderite and muscovite. This one is from the late 1970s and early 1980s. In good condition all around.

Product details

SpeciesSiderite, Muscovite, Arsenopyrite
SizeSmall Cabinet
Dimensions6.5 x 5.0 x 4.0 cm
Added on12/12/2025
LocalityPortugal, Panasqueira Mines

Known provenance

DateCollectorAcquisition price
12/2025Unknown Owner$130.00
—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.