Herja Mine
47.6947° N, 23.6442° E · ± 1 km
Marcasite from Maramures County, Romania, with photos of specimens from this locality.
Minerals found here
On the same specimen
2 specimen photo(s) from this locality show marcasite with sphalerite together. The pairing comes from the photographer's file name and label, so the relationship between the two minerals is not specified.
2 specimen photo(s) from this locality show marcasite with pyrrhotite together. The pairing comes from the photographer's file name and label, so the relationship between the two minerals is not specified.
Marcasite at Herja Mine
Sharp marcasite pseudomorphs with epitaxial galena and black sphalerite
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
- Formula
- FeS₂
- Morphology
- Pseudomorphs after bladed hexagonal pyrrhotite rosettes
- Typical size
- Commonly to about 3 cm
- Color / luster
- Gray metallic
- Associated minerals
- Pyrrhotitegalenasphalerite
- Surface features
- Well-defined replacement edges preserving original rosettes
- Availability
- Scarce
- History
- Notable Romanian material collected from the Herja polymetallic mine
Sources: SRC-019
Geology of the locality
- Setting
- Neogene epithermal polymetallic vein deposit
- Type
- Hydrothermal
- Host rock
- Volcanic and sedimentary host rocks
- Region
- Maramures County
- Country
- Romania
Known for marcasite pseudomorphs after bladed pyrrhotite with galena and sphalerite. Mine position taken from the Mindat locality page (47°41'41"N 23°38'39"E).
Sources
- SRC-019 · Database
Herja Mine, Romania - marcasite specimensMindat.org · Mindat.org - SRC-028 · Database
Herja Mine, Baia Mare - MindatMindat.org · 2026 · Mindat.org
Draft data from the Provenite workbook. Check entries against the cited sources before relying on them. Photos are open-licence images from Wikimedia Commons; the author and licence are given with each photo.