Object Status:
Unlocated
Accession Date:
August 23, 1809
Primary Source Reference:
Poulson's American Daily Advertiser (Philadelphia), 23 Aug 1809
Notes:
There are two possibilities here. The more likely is that the silver mineral is a muscovite. The other, less likely possibility is that the grey silver mineral refers to one or more of the exotic sulfosalts found in the Lengenbach quarry in the n the Binn Valley of Switzerland.
William Maclure (1763-1840), a native Scot, was a New York geologist, cartographer and philanthropist known as the father of American geology.
