Elongated Fibrous Sillimanite
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.
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