Apatite from Philadelphia County, Pennsylvania, USA


USA
Pennsylvania Philadelphia County Lafayette Station ⓘ Prince's Soapstone Quarry	Mineralogy of Pennsylvania-1922 Samuel S. Gordon, pg. 221-222
Philadelphia ⓘ Fairmount Park	Gordon, 1922. Mineralogy of Pennsylvania
ⓘ Falls of Schuylkill	Ref.: Gordon, S.G. (1922) "The Mineralogy of Pennsylvania," Special Publication No. 1, The Academy of Natural Sciences of Philadelphia: p. 125.
Frankford ⓘ Barber's Quarry	Mineralogy of Pennsylvania-1922 Samuel S. Gordon, pg. 229
ⓘ Peter's Quarry	Mineralogy of Pennsylvania-1922 Samuel S. Gordon, pg. 229
ⓘ Quarry on Frankford Creek (unnamed)	Benge and Wherry, XIII, 1906, 92
Germantown ⓘ Fowler's Quarry	Samuel G. Gordon (1922) "Mineralogy of Pennsylvania" p. 225.
Rittenhouse Lane ⓘ McKinney's Quarry	Dana 6: 576 & 1070.
ⓘ Wissahickon Valley	Gordon, 1922. The Mineralogy of Pennsylvania

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