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Studen kladenets, Krumovgrad Obshtina, Kardzhali Oblast (Kurdzhali; Kărdžali; Kurdjali), Bulgaria



Detailed Mineral List:
Opal
Formula: SiO2 · nH2O
Reference: Anton Ivanov field observation
Quartz var: Agate
Formula: SiO2
Reference: Anton Ivanov field observation


2 entries listed. 1 valid mineral.

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Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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