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The National Intelligencer And Washington Advertiser
Washington, District Of Columbia
What is this article about?
A mineral sample identified as black oxidized manganese from Monkton iron works in Vermont, forming a thick stratum sufficient to make America self-sufficient in this important manufacturing substance. Accompanied by manganese-impregnated clay for pottery.
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MANGANESE FOUND IN VERMONT.
Gentlemen of the Anthology
Mr. George Higginson, has transmitted to me a mineral, sent to him by the superintendant of the iron works of Monkton, in the state of Vermont.
This mineral is the black oxyded Manganese Houy: its color is a dark greyish black, its texture compact, it is formed in orbicular or mamillary concretions, the interstices of which are coated with the same substance chrystalized in small rhomboidal four sided prisms, of a lustre and color like polished steel.
Experiments, to which I have submitted, indicate, that it exists almost free of extraneous matters, and in a high degree of oxydation.
According to the information communicated to me by Mr. Higginson, it forms a powerful stratum of about two or three feet thick, from whence may be inferred, that it is sufficient to set America free from the necessity of importing a substance which is of some importance in several manufactures.
This mineral is accompanied with a yellowish brown clay, strongly impregnated with oxyd of Manganese, which may be employed in the manufacture of pottery ware. I have obtained from it, and shewn to several gentlemen of this town, a kind of pottery very much resembling the black pottery of Wedgewood.
Manganese is found also in the vicinity of Boston, (seven miles south) but in too small a quantity to be considered an object of utility.
GORDON
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Where did it happen?
Domestic News Details
Primary Location
Monkton, Vermont
Key Persons
Outcome
sufficient stratum to eliminate need for importing manganese; clay for pottery production demonstrated.
Event Details
Mr. George Higginson transmitted a mineral sample from the superintendant of Monkton iron works, identified as black oxidized manganese Houy, in compact orbicular concretions with crystallized prisms. Experiments show it is nearly pure and highly oxidized, forming a 2-3 foot thick stratum. Accompanied by manganese-impregnated clay used to produce Wedgewood-like pottery. Smaller deposits near Boston.