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Prince's Soapstone Quarry, Lafayette, Philadelphia Co., Pennsylvania, USA

Steatite
Prince's Soapstone Quarry, Lafayette, Philadelphia Co., Pennsylvania, USA

Photo: M.Heintzelman
A soapstone quarry located ¼ mile S of Lafayette Station, P. & R. Railway, on the Schuylkill River. Meta-periodot, meta-pyroxenite, meta-gabbro, Wissahickon gneiss and pegmatite. Locality also includes a Pennsylvania Railroad cut, exposures in woods (vicinity of the quarry) and rock in adjacent woods, E of the quarry (debris from older excavations).

Soapstone quarry purportedly operating as early as the 18th Century, on observation of local soapstone headstones of early German-American district landowners found in the graveyard of St. Peter's Lutheran church (1761) on Church Road in Whitemarsh township, Just North of the district. The Soapstone quarry was recorded in operation by at least 1848, under the ownership of prominent Montgomery County attorney John Freedley. Purchased and operated in 1853 by wealthy Philadelphia marble merchant, Samuel Prince, the soapstone quarry became part of his country estate, aptly named "Rockdale." The quarry was listed as idle by the time of Gordon's publication (1922).

Mineral List

Actinolite
Albite
var: Oligoclase
Almandine
Ankerite
Antigorite
'Apatite'
Bornite
'Chlorite Group'
Chrysocolla
Clinochlore
'Deweylite'
Dolomite
Enstatite
'Hornblende'
Ilmenite
'Limonite'
Magnesite
var: Breunnerite

Magnetite
Malachite
Millerite
'Olivine'
Pyrite
Pyrrhotite
Rutile
'Serpentine Group'
Staurolite
Talc
var: Steatite
Tremolite


30 entries listed. 20 valid minerals.

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References

Philadelphia city directories (1853).

Theodore W. Bean, ed. (1884), History of Montgomery County, Pennsylvania, Philadelphia, Everts & Peck, 1884), I: 545.

Gordon, Samuel S. (1922), Mineralogy of Pennsylvania: 221-222.

Plot G.14, Coded property records, Henry Houston estate papers, University of Pennsylvania archives, Philadelphia.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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