| Classification |
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| Species: | 'Biotite' (not an IMA approved species) |
| Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Comments: | in andalusite-biotite schist |
| Quality for species: | Rock forming mineral/non-crystalline/little interest for collectors.(##) |
| Abundance at site: | Extremely common |
| Confirmation |
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|
| Validity: | Confirmed |
| Confirmation Methods: | Polarised-light microscopy
SEM-EDS |
| Data |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Wegscheidkreuz, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 276603 |
| Long-form Identifier: | 1:3:276603:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 12.7km (7.9 miles) | ⓘSilberloch Mine, Völlegg, Fischbach, Weiz District, Styria, Austria |
| 14.4km (8.9 miles) | ⓘLambachgraben quarry ("Harterbachgraben" quarry), Hadersdorf, Kindberg, Bruck-Mürzzuschlag District, Styria, Austria |
| 25.3km (15.7 miles) | ⓘPyrite mine, Peunt, Naintschgraben, Anger, Weiz District, Styria, Austria |
| 26.7km (16.6 miles) | ⓘS35 motorway tunnel (Kirchdorf tunnel), Kirchdorf, Pernegg an der Mur, Bruck-Mürzzuschlag District, Styria, Austria |
| 27.0km (16.8 miles) | ⓘS35 motorway tunnel (Kaltenbach tunnel), Zlatten, Pernegg an der Mur, Bruck-Mürzzuschlag District, Styria, Austria |
| 27.4km (17.0 miles) | ⓘS35 motorway tunnel (Mixnitz tunnel), Mixnitz, Pernegg an der Mur, Bruck-Mürzzuschlag District, Styria, Austria |
| 28.3km (17.6 miles) | ⓘLöffelbachgraben (Puchegg), Vorau, Hartberg-Fürstenfeld District, Styria, Austria |
| 35.4km (22.0 miles) | ⓘPegmatite outcrops, Sankt Radegund bei Graz, Graz-Umgebung District, Styria, Austria |
| 41.8km (26.0 miles) | ⓘHäuselberg, Leoben, Leoben District, Styria, Austria |
| 43.1km (26.8 miles) | ⓘRailway tunnel, Galgenberg, Leoben, Leoben District, Styria, Austria |
| References |
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