| Locality type: | Occurrence |
| Classification |
|---|
|
| Species: | 'Biotite' (not an IMA approved species) |
| Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Confirmation |
|---|
|
| Validity: | Believed Valid |
| Data |
|---|
|
| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Diamond-bearing gneiss occurrence, Chepelare, Chepelare Municipality, Smolyan Province, Bulgaria |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 1285580 |
| Long-form Identifier: | 1:3:1285580:1 |
| GUID (UUID V4): | 7cbfb17b-c1fd-4531-814c-81dc10727d7c |
| Nearest other occurrences of Biotite |
|---|
|
|
| 22.3km (13.9 miles) | ⓘNarechen, Asenovgrad Municipality, Plovdiv Province, Bulgaria |
| 24.4km (15.1 miles) | ⓘLaki tailings dam, Laki, Laki Municipality, Plovdiv Province, Bulgaria |
| 46.7km (29.0 miles) | ⓘSvetulka, Ardino Municipality, Kardzhali Province, Bulgaria |
| 51.7km (32.1 miles) | ⓘAno Thermes, Thermes, Myki, Xanthi, Eastern Macedonia and Thrace, Greece |
| 63.9km (39.7 miles) | ⓘGrantcharitsa tungsten deposit, Plovdiv Province, Bulgaria |
| 72.0km (44.8 miles) | ⓘTsar Asen Mine, Tsar Asen, Pazardzhik Municipality, Pazardzhik Province, Bulgaria |
| 75.2km (46.8 miles) | ⓘVlaykov Vruh Mine, Elshitsa, Panagyurishte Municipality, Pazardzhik Province, Bulgaria |
| 94.5km (58.7 miles) | ⓘSmilovene deposit, Koprivshtitsa Municipality, Sofia Province, Bulgaria |
| 97.8km (60.8 miles) | ⓘAssarel Mine, Panagyurishte, Panagyurishte Municipality, Pazardzhik Province, Bulgaria |
| References |
|---|
|
Petrík, I., Janák, M., Froitzheim, N., Georgiev, N., Yoshida, K., Sasinková, V., Konečný, P. & Milovská, S. (2016): Triassic to Early Jurassic (c. 200 Ma) UHP metamorphism in the Central Rhodopes: evidence from U-Pb-Th dating of monazite in diamond-bearing gneiss from Chepelare (Bulgaria). Journal of Metamorphic Geology, 34, 265-291. |
