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Dubník, Červenica, Prešov Co., Prešov Region, Slovakia

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Latitude & Longitude (WGS84): 48° 54' 16'' North , 21° 27' 40'' East
Latitude & Longitude (decimal): 48.9044444444, 21.4611111111
Name(s) in local language(s):Dubník, Červenica, okres Prešov, Prešovský kraj, Slovenská republika


The largest, oldest and most significant opal deposit in Europe.
The opal is hosted in Tertiary volcanic rocks (predominantly andesites), and accompanied by stibnite, pyrite and marcasite.
The mineralization occurs in the border zone of the stratovolcano Zlatá Baňa.

The opal deposits appear to have already been known in Roman times.
The precious opal was dominating the world market until the rich opal fields in Australia were found. The opal mining activity in the Dubník area stopped in 1922.


Note on the mineral list: All "wupatkiite" reported from Dubnik is Co-rich/-bearing pickeringite, also called 'kasparite' [Ref. Tschechien & Slowakei, Jaroslav Hyrsl and Petr Korbel, Bode Verlag 2008, page 520].


Mineral List

Mineral list contains entries from the region specified including sub-localities

Acanthite

Actinolite

'Agalmatolite'

Albite

var: Andesine

var: Oligoclase

Allophane

Almandine

Alunite

Alunogen

Amarantite

'Amphibole Supergroup'

Anhydrite

Ankerite

Anorthite

var: Bytownite

var: Labradorite

Antimony

'Apatite'

Apjohnite

Aragonite

Arsenolite

Arsenopyrite

Augite

'Barrandite'

Baryte

Berthierite

'Biotite'

Boulangerite

Brushite

'Cacholong'

Calcite

var: Manganoan Calcite

Carpathite

Celadonite

Celestine

var: Barian Celestine

Cervantite

Chalcanthite

Chalcopyrite

'Chlorite Group'

Cinnabar

Copiapite

Cristobalite

Dawsonite

Diadochite

Dickite

Diopside

Dolomite

var: Ferroan Dolomite

Dyscrasite

Epidote

Evenkite

Fibroferrite

Fluorite

Goethite

Gold

Greigite

Gypsum

var: Selenite

'Halloysite'

'var: Ferrian Halloysite'

Halloysite-7Å

Halotrichite

Hatchettite

Hematite

'Hornblende'

'Hydromuscovite'

'Hypersthene'

Idrialite

Ilmenite

Jamesonite

Jarosite

Kaersutite

Kaolinite

Kermesite

'Limonite'

Maghemite

Magnesiocopiapite

Magnetite

var: Titaniferous Magnetite

Malachite

Marcasite

Melanterite

'Melnikovite'

Mercury

Meta-alunogen

Metacinnabar

Metavoltine

Molybdenite

Montmorillonite

Muscovite

var: Illite

var: Sericite

Natroalunite

Nontronite

Opal

var: Fire Opal

var: Hydrophane

var: Jasper Opal

var: Milk Opal

var: Onyx Opal

var: Opal-AN

var: Opal-Agate

var: Precious Opal

var: Wax Opal

Orpiment

'Ozocerite'

Pararealgar

Pickeringite

var: Ferropickeringite

var: Kasparite

'Psilomelane'

Pyrite

Pyrophyllite

Pyrrhotite

Quartz

var: Chalcedony

var: Rock Crystal

Realgar

Rhodochrosite

Rozenite

Rutile

Schorl

Schwertmannite

Senarmontite

Siderite

Sideronatrite

Sphalerite

Stibnite

Sulphur

Titanite

Tridymite

Tschermigite

Valentinite

'Wad'

Wupatkiite

Zircon


96 valid minerals. 1 erroneous literature entry.

Localities in this Region

Slovakia

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

- Butkovič Š., 1970: História slovenského drahého opálu z Dubníka. Alfa, Bratislava, 268 p. (in Slovak)
- Bachmayer C., 1978. In den Farben des Regenbogens - Edelopal. Mineralien-Magazin, 2, 5, 324-xx. (in German)
- Ďuďa R., Černý P. , Kaličiak M., Kaličiaková E., Tözsér J., Ulrych J., Veselovský F., 1981: Mineralógia severnej časti Slanských vrchov. Miner. Slovaca, Monografia, 2, 99 p. (in Slovak)
- Harman M. & Chovanec V., 1981: Mikrotextúry dubníckych opálov a ich vzťah k opalizácii. Miner. Slov., 8, 209-220. (in Slovak)
- Schenk G., 1981: Der Edelopalbergbau bei Dubnik/CSSR. Fundgrube, 17, 70-83. (in German)
- Koděra M., Andrusovová-Vlčeková G., Belešová O., Briatková D., Dávidová Š., Fejdiová V., Hurai V., Chovan M., Nelišerová E., Ženiš P., 1986-1990: Topografická mineralógia Slovenska. I-III. Veda, Bratislava, 1592 p. (in Slovak)
- Ďuďa R. & Molnár J., 1992: Die Mineralien aus den slowakischen Edelopal-Lagerstätten. Lapis, 17, 4, 23-28; 50. (in German)
- Ďuďa R., 1994: Die ersten Edelopale Europas. Geschichte, Gewinnung, bedeutende Steine. Opal, Mineralientage München (Messethemenheft), 42-45. (in German)
- Ďuďa R., 1996: Slovenské opály. Minerál, 4, 4, 254-258. (in Slovak)
- Huber P., 1996: Historisches Edelopal – Vorkommen, Klassisch: Slowakei. ExtraLapis, 10, 26. (in German)
- Semrád P. & Kováč J., 2000: Dubnícke opálové bane. Vydavateľstvo Michala Vaška, Prešov, 153 p. (in Slovak)
- Barok M. & Molnár J., 2001: Najkrajším slovenským drahokamom je opál. Minerál, 9, 4, 295-299. (in Slovak)
- Barok M. & Semrád P., 2001: Dubnícky opál - drahokam známy i neznámy. Karnat, Košice, 54 p. (in Slovak)
- Kotuľák P. & Baláž B., 2001: Dubnícky drahý opál – mýty a realita. Minerál, 9, 4, 303-306. (in Slovak)
- Rondeau, B., Fritsch, E., Guiraud, M. & Renac, CH. 2004: Opals from Slovakia („Hungarian“ opals): a re-assessment of the conditions of formation. European Journal of Mineralogy, 16, 789-799.
- Constantitni L., 2005: Slovenský opál. Znovuobjavenie kráľovského drahokamu. Vivit, Kežmarok, 282 p. (in Slovak)
- Ďuďa R. & Pauliš P., 2006: Opály Slovenské a České republiky a možnosti jejich sběru. Kuttna, Kutná Hora, 92 p. (in Slovak)
- Grolig D., 2006: Gold, Opal und Wein - Mineraliensammeln im Zemplén- und Slanské-Gebirge in Ungarn und der Slowakei. Mineralien-Welt, 17, 3, 52-62. (in German)
- Semrád P., 2011: The Story of European Precious Opal from Dubník. Granit, Praha, 216 p.

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