Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
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 ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Gyudyurska mine, Erma Reka, Zlatograd Municipality, Smolyan Province, Bulgariai
Regional Level Types
Gyudyurska mineMine
Erma RekaVillage
Zlatograd MunicipalityMunicipality
Smolyan ProvinceOblast
BulgariaCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearchMineralogy
Latitude & Longitude (WGS84):
41° 24' 53'' North , 24° 59' 0'' East
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Nedelino5,017 (2016)9.2km
Madan5,661 (2016)10.0km
Zlatograd7,331 (2016)10.2km
Rudozem3,783 (2016)13.8km
Páchni1,110 (2013)14.3km
Mindat Locality ID:
25115
Long-form identifier:
mindat:1:2:25115:7
GUID (UUID V4):
0
Other/historical names associated with this locality:
Gjudurska
Name(s) in local language(s):
, Маданско рудно поле, Родопи планина, Смолянска област, България


The mine is located in the Rhodope Mountains, 30 km by mountain pass from Madan. This mine has been connected underground to the Borieva and Krushev dol Mines in Madan, since the ore body is the same.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


10 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Cerussite
Formula: PbCO3
Chalcopyrite
Formula: CuFeS2
Galena
Formula: PbS
Lahnsteinite
Formula: Zn4(SO4)(OH)6 · 3H2O
Namuwite
Formula: Zn4(SO4)(OH)6 · 4H2O
Osakaite
Formula: Zn4(SO4)(OH)6 · 5H2O
Description: The exact location within the mine where found was level 675 approximately 1km into the main gallery. "The samples were light blue stalactites with a light blue-green sticky crust. Up to 1 cm wide stalactites are formed on a various substrate".
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Lahnsteinite7.DD.47Zn4(SO4)(OH)6 · 3H2O
Namuwite7.DD.50Zn4(SO4)(OH)6 · 4H2O
Osakaite7.DE.40Zn4(SO4)(OH)6 · 5H2O

List of minerals for each chemical element

HHydrogen
H NamuwiteZn4(SO4)(OH)6 · 4H2O
H OsakaiteZn4(SO4)(OH)6 · 5H2O
H LahnsteiniteZn4(SO4)(OH)6 · 3H2O
CCarbon
C CalciteCaCO3
C CerussitePbCO3
OOxygen
O CalciteCaCO3
O CerussitePbCO3
O NamuwiteZn4(SO4)(OH)6 · 4H2O
O QuartzSiO2
O OsakaiteZn4(SO4)(OH)6 · 5H2O
O LahnsteiniteZn4(SO4)(OH)6 · 3H2O
SiSilicon
Si QuartzSiO2
SSulfur
S ChalcopyriteCuFeS2
S GalenaPbS
S NamuwiteZn4(SO4)(OH)6 · 4H2O
S PyriteFeS2
S SphaleriteZnS
S OsakaiteZn4(SO4)(OH)6 · 5H2O
S LahnsteiniteZn4(SO4)(OH)6 · 3H2O
CaCalcium
Ca CalciteCaCO3
FeIron
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn NamuwiteZn4(SO4)(OH)6 · 4H2O
Zn SphaleriteZnS
Zn OsakaiteZn4(SO4)(OH)6 · 5H2O
Zn LahnsteiniteZn4(SO4)(OH)6 · 3H2O
PbLead
Pb CerussitePbCO3
Pb GalenaPbS

Other Regions, Features and Areas containing this locality

Bulgaria
Eurasian PlateTectonic Plate
EuropeContinent

This page 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

 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 4, 2026 03:44:58 Page updated: July 24, 2026 09:21:11
Go to top of page