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Helena mining district, Črna na Koroškem, Sloveniai
| Regional Level Types | |
|---|---|
| Helena mining district | Mining District |
| Črna na Koroškem | Municipality |
| Slovenia | Country |
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Latitude & Longitude (WGS84):
46° 29' 8'' North , 14° 49' 40'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Name(s) in local language(s):
Revir Helena, Črna, Mežica, Slovenija
The Helena mining district was the most productive mining area at the end of the 19th century. Above 900 m elevations, rich wulfenite ore was mined between 1878-1951. The transportation adit to Helena district at 784 m leads to the well-known localities for calcite and wulfenite such as Doroteja, Barbara East, Rišperk and Christmas tunnels. Probably the most attractive II. General Level (900 m) with splendid calcites and the Doroteja Level (925 m) with famous bipyramidal wulfenites can be accessed through the inclined shaft from the main Helena adit.
One of the best-known finds of wulfenite in Helena was made at the end of the 1960s by the miner Erich Podojsteršek from Podpeca. The pocket measured several meters in length and produced hundreds of superb specimens, among which 20-40 cm plates covered with large truncated bipyramidal wulfenites and greyish calcite crusts were quite abundant. Because of small interest for mineral collecting in Slovenia at that time, most of these specimens found their new home in collections abroad.
In 2005 a research expedition encountered a new 3 m long pocket, which contained 27 cases of excellent carrot orange bipyramidal wulfenite specimens with snow-white coatings of fine crystalline calcite. These specimens are now on display in the Mining Museum in Mežica.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Calcite var. Lead-bearing Calcite Formula: (Ca,Pb)CO3 References: |
| ⓘ Cerussite Formula: PbCO3 |
| ⓘ Descloizite Formula: PbZn(VO4)(OH) |
| ⓘ Galena Formula: PbS References: |
| ⓘ Hemimorphite Formula: Zn4Si2O7(OH)2 · H2O |
| ⓘ Hydrozincite Formula: Zn5(CO3)2(OH)6 |
| ⓘ 'Limonite' |
| ⓘ Pyrite Formula: FeS2 References: |
| ⓘ Pyromorphite Formula: Pb5(PO4)3Cl |
| ⓘ Smithsonite Formula: ZnCO3 |
| ⓘ Wulfenite Formula: Pb(MoO4) References: |
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Smithsonite | 5.AB.05 | ZnCO3 |
| ⓘ | Calcite var. Lead-bearing Calcite | 5.AB.05 | (Ca,Pb)CO3 |
| ⓘ | Cerussite | 5.AB.15 | PbCO3 |
| ⓘ | Hydrozincite | 5.BA.15 | Zn5(CO3)2(OH)6 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Wulfenite | 7.GA.05 | Pb(MoO4) |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Descloizite | 8.BH.40 | PbZn(VO4)(OH) |
| ⓘ | Pyromorphite | 8.BN.05 | Pb5(PO4)3Cl |
| Group 9 - Silicates | |||
| ⓘ | Hemimorphite | 9.BD.10 | Zn4Si2O7(OH)2 · H2O |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
- Panonian BasinWide Rift
EuropeContinent
- The AlpsMountain Range
- Karawanks (Karavankas; Karavanks)Mountain Range
Slovenia
- ⭔Carinthia Statistical RegionStatistical Region
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References
Hurlbut, Cornelius S. (1955) Wulfenite symmetry as shown on crystals from Jugoslavia. American Mineralogist, 40 (9-10) 857-860
Rečnik, A. (2010) Minerals of the lead and zinc ore deposit Mežica. Bode Verlag GmbH, Nemčija, Slovenia, & Jožef Stefan Institute, Ljubljana, Slovenia, 112 pp.
Helena mining district, Črna na Koroškem, Slovenia