Marcasite Stalactite from Linwood Mine DX3173 polish flint and their shells became preserved

and their shells became preserved in sedimentary rock formations

ranging from white to shades of brown

or is perfect on its own as a display piece

Dimensions: 4 x 3 x 2 inches

Amethyst Ring Size 5

Marcasite Stalactite from Linwood Mine DX3173 polish flint and their shells became preservedMarcasite Stalactite from Linwood Mine Approx. Dimensions: 2. 25x1. 25x0. 5 inches Approx. Weight: 14. 8 grams Locality: Linwood Mine, Buffalo, Scott Co., Iowa, USA Marcasite specimens from the Linwood Mine (Buffalo, Scott County, Iowa, USA) are eye catching mineral pieces prized by collectors for their metallic luster and distinctive crystal forms. Marcasite is an iron disulfide (FeS?) mineral that crystallizes in tabular, spear like or stalactitic