| Locality type: | Mine |
| Classification |
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|
| Species: | Sphalerite |
| Formula: | ZnS |
| Comments: | Herja produces black sphalerites as fine as any other locality |
| Habit: | Large tetrahedra to 3 cm, some spinel twinned. Often polysynthetic twins |
| Colour: | Black |
| Luminescent properties: | none |
| Quality for species: | Good crystals or rich for species - important (!) |
| Confirmation |
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|
| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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|
| Quartz | 630 |
| - var Chalcedony | 15 |
| - var Quartzine | 12 |
| - var Star Quartz | 12 |
| - var Smoky Quartz | 1 |
| Calcite | 492 |
| - var Manganese-bearing Calcite | 8 |
| Siderite | 434 |
| - var Sphärosiderite | 60 |
| - var Manganese-bearing Siderite | 1 |
| Galena | 300 |
| Pyrite | 292 |
| Marcasite | 265 |
| Pyrrhotite | 145 |
| Chalcopyrite | 123 |
| Semseyite | 102 |
| Plumosite | 93 |
| Dolomite | 46 |
| - var Manganese-bearing Dolomite | 2 |
| Stibnite | 34 |
| Bournonite | 29 |
| Fizélyite | 28 |
| Jamesonite | 28 |
| Freibergite Subgroup | 26 |
| Boulangerite | 22 |
| Baryte | 16 |
| Tennantite Subgroup | 12 |
| Fluorite | 10 |
| Arsenopyrite | 8 |
| Tetrahedrite Subgroup | 8 |
| Limonite | 7 |
| Covellite | 7 |
| Native Arsenic | 5 |
| Pyrrhotite Group | 4 |
| Cubanite | 1 |
| Zinkenite | 1 |
| Calcite Group | 1 |
| Cuprite | 1 |
| Data |
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| Mineral Data: | Click here to view Sphalerite data |
| Locality Data: | Click here to view Herja Mine, Baia Mare, Maramureș County, Romania |
| Photo Gallery | View Gallery (84 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 47350 |
| Long-form Identifier: | 1:3:47350:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Sphalerite |
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|
|
| 5.1km (3.2 miles) | ⓘDealul Crucii adit, Baia Mare, Maramureș County, Romania |
| 5.2km (3.2 miles) | ⓘMinei Hill open pit, Baia Sprie mine, Baia Sprie, Maramureș County, Romania |
| 5.8km (3.6 miles) | ⓘBaia Sprie mine, Baia Sprie, Maramureș County, Romania |
| 7.4km (4.6 miles) | ⓘValea Roșie ore deposit, Săsar-Valea Roșie mining area, Baia Mare, Maramureș County, Romania |
| 8.2km (5.1 miles) | ⓘIojica-Bartoșa ore deposit, Bartoșa-Wilhelm ore deposit, Săsar-Valea Roșie mining area, Baia Mare, Maramureș County, Romania |
| 8.3km (5.1 miles) | ⓘNo. 5 Mine, Baia Sprie, Maramureș County, Romania |
| 8.4km (5.2 miles) | ⓘBartoșa-Wilhelm ore deposit, Săsar-Valea Roșie mining area, Baia Mare, Maramureș County, Romania |
| 8.6km (5.3 miles) | ⓘAurum ore deposit, Săsar-Valea Roșie mining area, Baia Mare, Maramureș County, Romania |
| 9.1km (5.6 miles) | ⓘWilhelm mining area (Wilhelm-Trei Stejari mining area; Wilhelm Mine), Bartoșa-Wilhelm ore deposit, Săsar-Valea Roșie mining area, Baia Mare, Maramureș County, Romania |
| 10.1km (6.3 miles) | ⓘTyuzoșa-Ludovica ore deposit, Săsar-Valea Roșie mining area, Baia Mare, Maramureș County, Romania |
| References |
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Mârza, Ioan, Tămaș, Călin Gabriel, Tetean, Romulus, Andreica, Alina, Denuț, Ioan, Kovács, Réka (2019) Epithermal Bicolor Black and White Calcite Spheres from Herja Ore Deposit, Baia Mare Neogene Ore District, Romania-Genetic Considerations. Minerals, 9 (6) 352 doi:10.3390/min9060352 |
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Herja Mine, Baia Mare, Maramureș County, Romania