Banded Iron Display Mineral
274 grams or 9.6 oz of Magnetite, Hematite & Jasper
Approximately 2.75 x 2 x 1.5 inches
Origin: Wyoming
Banded Iron is a from of sedimentary rock ranging from 1.8 to 2.5 billion years old.
A typical Banded Iron formations consists of repeated, thin layers of iron oxides -
either Magnetite (Fe3O4) or Hematite (Fe2O3) -
alternating with bands of iron-poor shale and chert.
This piece is "naturally polished" by rain/wind/water erosion