Bementite



Bementite (golden tan) on matrix (tan) with calcite (white) and minor franklinite crystals (black) from the Trotter Mine, Franklin, NJ. 2 1/2" X 2 1/8". From the collection of, and photo by Robert A. Boymistruk.


Bementite on matrix with calcite and minor franklinite crystals from the Trotter Mine, Franklin, NJ