Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Aegirine from
Fallon Brothers Quarry, Quincy, Norfolk County, Massachusetts, USA


08330870017370042305394.jpg
Aegirine, etc.

Fallon Brothers Quarry, Quincy, Norfolk County, Massachusetts, USA
08330870017370042305394.jpg
Aegirine, etc.

Fallon Brothers Quarry, Quincy, Norfolk County, Massachusetts, USA
09463140017370042319986.jpg
Aegirine, etc.

Fallon Brothers Quarry, Quincy, Norfolk County, Massachusetts, USA
Locality type:Quarry
Classification
Species:Aegirine
Formula:NaFe3+Si2O6
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Parisite-(Ce)
Associated Minerals Based on Photo Data:
Riebeckite Root Name Group2
- var Crocidolite2
Parisite-(Ce)2
Quartz1
Albite1
Data
Mineral Data:Click here to view Aegirine data
Locality Data:Click here to view Fallon Brothers Quarry, Quincy, Norfolk County, Massachusetts, USA
Data Identifiers
Mindat Occurrence Record ID:40649
Long-form Identifier:1:3:40649:9
GUID (UUID V4):0
Nearest other occurrences of Aegirine
0.3km (0.2 miles) ⓘMerry Mount Quarry, Quincy, Norfolk County, Massachusetts, USA
0.5km (0.3 miles) ⓘHardwick Quarry, Quincy, Norfolk County, Massachusetts, USA
0.6km (0.4 miles) ⓘMcKenzie & Patterson Quarry, Quincy, Norfolk County, Massachusetts, USA
0.9km (0.6 miles) ⓘField & Wild Quarry, Quincy, Norfolk County, Massachusetts, USA
1.0km (0.6 miles) ⓘJ. S. Swingle Quarry (Swingle's Quarry), Quincy, Norfolk County, Massachusetts, USA
1.2km (0.7 miles) ⓘGranite Railway Quarry (Granite Rail Quarry), Quincy, Norfolk County, Massachusetts, USA
1.3km (0.8 miles) ⓘLittle Granite Railway Quarry, Quincy, Norfolk County, Massachusetts, USA
2.1km (1.3 miles) ⓘCashman Quarry, Quincy, Norfolk County, Massachusetts, USA
2.5km (1.5 miles) ⓘGold Leaf Quarry, Quincy, Norfolk County, Massachusetts, USA
36.4km (22.6 miles) ⓘPoorhouse Hill, Beverly, Essex County, Massachusetts, USA
References
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
 
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