| 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 Ängsholmarna Norra, Haninge, Stockholm County, Sweden |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 697248 |
| Long-form Identifier: | 1:3:697248:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
|---|
|
|
| 1.3km (0.8 miles) | ⓘNyköpingsgruvan, Utö Mines, Utö, Haninge, Stockholm County, Sweden |
| 1.3km (0.8 miles) | ⓘUtö Mines, Utö, Haninge, Stockholm County, Sweden |
| 10.6km (6.6 miles) | ⓘKapelludden, Rånö, Haninge, Stockholm County, Sweden |
| 10.7km (6.7 miles) | ⓘNorrö Mica Quarry, Norrö, Haninge, Stockholm County, Sweden |
| 29.2km (18.2 miles) | ⓘStora Vika, Nynäshamn, Stockholm County, Sweden |
| 29.4km (18.2 miles) | ⓘPegmatite B, Stora Vika, Nynäshamn, Stockholm County, Sweden |
| 29.4km (18.2 miles) | ⓘPegmatite C, Stora Vika, Nynäshamn, Stockholm County, Sweden |
| 51.0km (31.7 miles) | ⓘYtterby, Resarö, Vaxholm, Stockholm County, Sweden |
| 57.0km (35.4 miles) | ⓘHärsbacka, Österåker, Stockholm County, Sweden |
| 60.5km (37.6 miles) | ⓘGruvdalen Mine (Skeppsdal), Österåker, Stockholm County, Sweden |
| References |
|---|
|
Smeds, S.A., Uher, P., Černý, P., Wise, M.A., Gustafsson, L., Penner, P. (1998) Graftonite – beusite in Sweden: primary phases, products of exsolution, and distribution in zoned populations of granitic pegmatites. The Canadian Mineralogist: 36: 377-394. |
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