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Magnetite from
Blackburn Circle locality, Gloucester, Essex County, Massachusetts, USA


03076810017272039044329.jpg
Magnetite

Blackburn Circle locality, Gloucester, Essex County, Massachusetts, USA
03076810017272039044329.jpg
Magnetite

Blackburn Circle locality, Gloucester, Essex County, Massachusetts, USA
03076810017272039044329.jpg
Magnetite

Blackburn Circle locality, Gloucester, Essex County, Massachusetts, USA
Locality type:Construction Site
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Comments:Occurs as an alteration product of fayalite.
Colour:black
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Annite
Grunerite
Associated Minerals Based on Photo Data:
Grunerite1
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Blackburn Circle locality, Gloucester, Essex County, Massachusetts, USA
Data Identifiers
Mindat Occurrence Record ID:624167
Long-form Identifier:1:3:624167:4
GUID (UUID V4):0
Nearest other occurrences of Magnetite
4.9km (3.1 miles) ⓘBlood Ledge Quarry, Gloucester, Essex County, Massachusetts, USA
5.0km (3.1 miles) ⓘCheves Green Granite Quarry, Gloucester, Essex County, Massachusetts, USA
5.2km (3.2 miles) ⓘDevil's Rock Quarry, Gloucester, Essex County, Massachusetts, USA
7.6km (4.7 miles) ⓘBabson Farm Quarry, Rockport Granite Company quarries, Rockport, Essex County, Massachusetts, USA
17.8km (11.1 miles) ⓘGreat Haste Ledge (Great Haste Island), Salem, Essex County, Massachusetts, USA
18.7km (11.6 miles) ⓘPoorhouse Hill, Beverly, Essex County, Massachusetts, USA
25.3km (15.7 miles) ⓘGovernor Endicott mine (Towne's Copper Mine), Topsfield, Essex County, Massachusetts, USA
26.0km (16.2 miles) ⓘAggregate Industries Quarry (Lynn Sand and Stone Co. Quarry; Bardon Trimount Quarry; Hume Quarry), Swampscott, Essex County, Massachusetts, USA
28.7km (17.8 miles) ⓘDen Granite Quarry, Lynn, Essex County, Massachusetts, USA
30.8km (19.1 miles) ⓘKallenberg Quarry (Robin Rock Quarry; Jordan Quarry), Lynnfield, Essex County, Massachusetts, USA
References
P Cristofono collection , 2009
 
and/or  
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