AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Delaware > Sillimanite var. Fibrolite

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Sillimanite var. Fibrolite from Brandywine Springs, New Castle County, Delaware

 
Sillimanite var. Fibrolite from Brandywine Springs, New Castle County, Delaware

DESCRIPTION:No. 28235
Mineral:Sillimanite var. Fibrolite
Locality:Brandywine Springs, New Castle County, Delaware
Description:Elongated specimen of fibrolite (sillimanite with quartz mixture) showing the fibrous crystal structure. Ex. A. Lincoln Sherk II, MD. (1896-1970)
Overall Size:11x4x2 cm
Crystals:2-11 cm
Status: For reference only
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