Marcasite Stalactite from Linwood Mine DX3172 mica Atlantisite is typically found in

Atlantisite is typically found in a compact form

and not contaminated by radiation

Himalayan Quartz Cluster with Rutile Inclusions

There is one small spot of damage on the top of the crystal

Marcasite Stalactite from Linwood Mine DX3172 mica Atlantisite is typically found inMarcasite Stalactite from Linwood Mine Approx. Dimensions: 1. 75x1x0. 75 inches Approx. Weight: 17. 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