Iron-bearing Magnesite (Var: Breunnerite)
Prince's Soapstone Quarry, Lafayette Station, Philadelphia County, Pennsylvania, USA
Brownish crystals of Ferroan Magnesite var. Breunnerite in Steathite matrix with minor black magnetite octahedrons from the Prince's Soapstone Quarry, Lafayette, Philadelphia Co, Pennsylvania. An old 19th C. cobbled specimen with original pen and ink paste label on reverse. Ex. John Birkinbine (b. 1844, d. 1915) including an old Hugh Ford label, ...
© 2006 M. R. Heintzelman