Elongated Fibrous Sillimanite
Elongated Fibrous Sillimanite from Brandywine Springs, New Castle County, Delaware
Collection John Betts - Fine Minerals
Description Elongated specimen of Sillimanite with Quartz mixture showing the fibrous crystal structure. Ex. A. Lincoln Sherk II, MD. (1896-1970)
Locality Brandywine Springs, New Castle County, Delaware
Dimensions 11 x 4 x 2 cm.
Specimen Grade B
Photograph © www.johnbetts-fineminerals.com - All Rights Reserved.

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