Siderite from Herja Mine, Baia Mare, Maramureș County, Romania - image 1
Siderite from Herja Mine, Baia Mare, Maramureș County, Romania - image 2
Siderite from Herja Mine, Baia Mare, Maramureș County, Romania - image 3
Siderite from Herja Mine, Baia Mare, Maramureș County, Romania - image 4

Siderite from Herja Mine, Baia Mare, Maramureș County, Romania

A really rare specimen from Herja mine, siderite balls on siderite base with black gypsum crystals, all finely interlaced with boulangerite crystals.

Product details

SpeciesSideriteGypsumBoulangerite
SizeLarge Cabinet
Dimensions18.0 x 12.0 x 4.0 cm
Added on08/08/2026
LocalityRomania, Maramureș County, Herja Mine

Current owner

Koch Antal
Koch Antal
Miercurea Ciuc, Romania
Acquired
Oct 2024

Owner’s note

Crystal shop a rare find

3 for sale·Member since 2026

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.
Locality guide
Herja Mine
Herja Mine, Romania — Baia Mare district locality famous for stibnite sprays, black calcite, semseyite rosettes, and sulfosalt-rich vugs, a collector's classic.