SUPPORT US. If is important to you, click here to donate to our Fall 2019 fundraiser!
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Jozef adit, Libanka, Dubník, Červenica, Prešov Co., Prešov Region, Slovakiai
Regional Level Types
Jozef aditAdit
Libanka- not defined -
Dubník- not defined -
Červenica- not defined -
Prešov Co.County
Prešov RegionRegion

This page is currently not sponsored. Click here to sponsor this page.
Lock Map
Name(s) in local language(s):Štôlňa Jozef, Libanka, Dubník, Červenica, okres Prešov, Prešovský kraj, Slovenská republika
Latitude & Longitude (WGS84): 48° 54' 26'' North , 21° 27' 41'' East
Latitude & Longitude (decimal): 48.90750,21.46139
GeoHash:G#: u2xq0r7dy
Locality type:Adit
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
Vranov nad Topľou23,246 (2016)16.5km
Prešov94,718 (2017)19.4km
Giraltovce4,189 (2012)23.3km
Kavečany1,287 (2017)23.7km
Košice236,563 (2016)26.2km

Historical mining field, mainly associated with the extraction of precious opal.

Regions containing this locality

Eurasian PlateTectonic Plate
CzechoslovakiaCountry (Former)

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

4 valid minerals.

Detailed Mineral List:

Formula: Al2(SO4)3 · 17H2O
Reference: David Parfitt collection
Formula: FeS2
Reference: Štefan Ferenc collection
Formula: SiO2 · nH2O
Reference: Personally collected by S.Šimko in 1994
Opal var: Fire Opal
Formula: SiO2 · nH2O
Reference: Koděra, M. et al (1986): Topografická mineralógia Slovenska. VEDA - vydavateľstvo SAV, 1986, part 1, page 257 - 274
Opal var: Opal-AN
Formula: SiO2 · nH2O
Reference: Personally collected by S.Šimko in 1994
Opal var: Precious Opal
Formula: SiO2 · nH2O
Reference: Koděra, M. et al (1986): Topografická mineralógia Slovenska. VEDA - vydavateľstvo SAV, 1986, part 1, page 257 - 274
Formula: MgAl2(SO4)4 · 22H2O
Reference: David Parfitt collection

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides
Opal4.DA.10SiO2 · nH2O
var: Fire Opal4.DA.10SiO2 · nH2O
var: Opal-AN4.DA.10SiO2 · nH2O
var: Precious Opal4.DA.10SiO2 · nH2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Alunogen7.CB.45Al2(SO4)3 · 17H2O
Pickeringite7.CB.85MgAl2(SO4)4 · 22H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pickeringite29.7.3.1MgAl2(SO4)4 · 22H2O
Alunogen29.8.6.1Al2(SO4)3 · 17H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Mixtures, etc.
var: Fire Opal-SiO2 · nH2O
var: Opal-AN-SiO2 · nH2O
var: Precious Opal-SiO2 · nH2O

List of minerals for each chemical element

H Opal (var: Opal-AN)SiO2 · nH2O
H AlunogenAl2(SO4)3 · 17H2O
H PickeringiteMgAl2(SO4)4 · 22H2O
H Opal (var: Precious Opal)SiO2 · nH2O
H Opal (var: Fire Opal)SiO2 · nH2O
H OpalSiO2 · nH2O
O Opal (var: Opal-AN)SiO2 · nH2O
O AlunogenAl2(SO4)3 · 17H2O
O PickeringiteMgAl2(SO4)4 · 22H2O
O Opal (var: Precious Opal)SiO2 · nH2O
O Opal (var: Fire Opal)SiO2 · nH2O
O OpalSiO2 · nH2O
Mg PickeringiteMgAl2(SO4)4 · 22H2O
Al AlunogenAl2(SO4)3 · 17H2O
Al PickeringiteMgAl2(SO4)4 · 22H2O
Si Opal (var: Opal-AN)SiO2 · nH2O
Si Opal (var: Precious Opal)SiO2 · nH2O
Si Opal (var: Fire Opal)SiO2 · nH2O
Si OpalSiO2 · nH2O
S AlunogenAl2(SO4)3 · 17H2O
S PickeringiteMgAl2(SO4)4 · 22H2O
S MarcasiteFeS2
Fe MarcasiteFeS2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

0 - 66 Ma

ID: 3185279
Cenozoic sedimentary rocks

Age: Cenozoic (0 - 66 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

5.333 - 23.03 Ma

ID: 3155684
stratovolcanoes and dome-flow compl.

Age: Miocene (5.333 - 23.03 Ma)

Lithology: Major:{andesite}, Minor{dacite,agglomerate/breccia group,tuffite group}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Koděra, M., Andrusovová-Vlčeková, G., Belešová, O., Briatková, D., Dávidová, Š., Fejdiová, V., Hurai, V., Chovan, M., Nelišerová, E., and Ženiš, P. (1986-1990) Topografická mineralógia Slovenska. I-III. Veda, Bratislava, 1592 p. (in Slovak).

This page contains all mineral locality references listed on 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 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.
Mineral and/or Locality is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 22, 2019 17:29:06 Page generated: February 7, 2019 11:24:57
Go to top of page