Report Fossil
-
Sillimanite
Images:
By I_gotta_rock
Taxonomy
Sillimanite
Kingdom: n/a
Phylum: n/a
Class: n/a
Order: n/a
Family: n/a
Genus: n/a
Species: n/a
Geological Time Scale
Eon: Phanerozoic
Era: Paleozoic
Period: Ordovician
Epoch: Late
Stratigraphy
Wissahickon Formation
Provenance
Collector: me
Date Collected: 08/01/2010
Acquired by: Field Collection
Location
Brandywine Springs Park
New Castle County
Delaware
United States
Comments
Sillimanite, AKA Fibrolite, is an aluminum-rich mineral occurring in metamorphic rock. The long, parallel crystals give it a woody texture and it can easily be mistaken for petrified wood.
Sillimanite is the State Mineral of Delaware.
Report Fossil
User Feedback
There are no comments to display.
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now