Biotite from
Rockport Granite Company quarries, Rockport, Essex County, Massachusetts, USA
Locality type: | Quarry | |
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 Rockport Granite Company quarries, Rockport, Essex County, Massachusetts, USA | |
Data Identifiers | ||
Mindat Occurrence Record ID: | 636729 | |
Long-form Identifier: | 1:3:636729:9 | |
GUID (UUID V4): | 2a498531-6531-45d0-a900-ad0820130f89 | |
Localities for Biotite in this Region | ||
Flat Ledge Quarry, Rockport Granite Company quarries, Rockport, Essex County, Massachusetts, USA | ||
References | ||