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Heliodor from
207th Street & Broadway, Manhattan (New York Co.), New York City, New York, USA

Classification
Species:Beryl var: Heliodor
Formula:Be3Al2(Si6O18)
Confirmation
Validity:Believed Valid
References
References:The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931)
Data
Mineral Data:Click here to view Heliodor data
Locality Data:Click here to view 207th Street & Broadway, Manhattan (New York Co.), New York City, New York, USA
Nearest other occurrences of Heliodor
44.0km (27.4 miles) Bedford, Westchester Co., New York, USA
60.1km (37.3 miles) Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
96.6km (60.0 miles) New England Mining Company Quarry (Roebling Mine; Hewitt's Mine), Upper Merryall, New Milford, Litchfield Co., Connecticut, USA
 
Mineral and/or Locality  
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