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...te is not to be confused with [[shale]], from which it may be formed, or [[schist]]. Ninety percent of Europe's natural slate used for roofing originates fr Before the mid-19th century, the terms ''slate'', ''shale'' and ''schist'' were not sharply distinguished.<ref>R. W. Raymond, Slate, [http://books.g

'''Goshen stone''' is an unusual variably colored variety of [[mica schist]] found mostly in [[New England]]. It is [[Quarry|quarried]] and sold as a [[Category:Schist]]