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Biotite from
Prohorovo Mine, Nova Zagora Obshtina, Sliven Oblast, Bulgaria

Quality of samples:not specified / average specimens
Validity:Believed Valid
References:Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Prohorovo Mine, Nova Zagora Obshtina, Sliven Oblast, Bulgaria
Nearest other occurrences of Biotite
89.7km (55.7 miles) Spachievo ore field (Spahievo ore field), Mineralni Bani Obshtina, Haskovo Oblast (Khaskovo Oblast), Bulgaria
96.9km (60.2 miles) Dereköy Cu-Mo deposit, Dereköy, Kirklareli Province, Marmara Region, Turkey
110.0km (68.3 miles) Byrdtseto Mo-Cu deposit (Byrdtse; Burdceto), Malko Târnovo ore field, Malko Târnovo Obshtina, Burgas Oblast (Bourgas Oblast), Bulgaria
152.6km (94.8 miles) Kassiteres-Sapes area, Xánthi Prefecture, Thraki Department (Thrace; Thracia), Greece
160.8km (99.9 miles) Tsar Assen Mine, Tsar Assen, Pazardzhik Obshtina, Pazardzhik Oblast (Pazardjik Oblast), Bulgaria
175.2km (108.9 miles) Maronia Cu-Mo deposit, Maronia, Komotini Prefecture (Rodopi; Rhodope), Thraki Department (Thrace; Thracia), Greece
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