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Ferro-hornblende from
Gloucester, Essex County, Massachusetts, USA


Locality type:City
Classification
Species:Ferro-hornblende
Formula:◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ferro-hornblende data
Locality Data:Click here to view Gloucester, Essex County, Massachusetts, USA
Data Identifiers
Mindat Occurrence Record ID:553200
Long-form Identifier:1:3:553200:1
GUID (UUID V4):0
Nearest other occurrences of Ferro-hornblende
67.6km (42.0 miles) ⓘBald Head Cliff, York, York County, Maine, USA
79.2km (49.2 miles) ⓘAggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, USA
83.0km (51.6 miles) ⓘJoppa Hill, Amherst, Hillsborough County, New Hampshire, USA
94.0km (58.4 miles) ⓘSneech Pond copper mines (Copper Mine Hill), Cumberland, Providence County, Rhode Island, USA
References
Dennen, W. H. 1992, Bedrock geologic map of the Gloucester and Rockport Quadrangles, Essex County, Massachusetts
 
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