Berthierite replacing Siderite - image 1
Berthierite replacing Siderite - image 2
specimen video

Berthierite replacing Siderite

Unknown Owner
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A cluster of crystallized siderite balls, these in the process of being replaced by metallic berthierite. In great condition all around with no points of attachment.

Product details

SpeciesSiderite, Berthierite
SizeMiniature
Dimensions4.0 x 2.5 x 2.5 cm
Added on02/02/2025
LocalityRomania, Maramureș County, Herja Mine

Known provenance

DateCollectorAcquisition price
02/2025Unknown Owner$175.00
—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 Herja Mine, Romania
Herja Mine, Romania — renowned for siderite in late carbonate growth, sulfosalt-rich vugs, and striking black calcite spheres, a top locality for collectors.