Marcasite Stalactite from Linwood Mine DX3162 hedenbergite Quartz cluster with amazing clarity

Quartz cluster with amazing clarity and chlorite inclusions

Dimensions: 3 x 2 x 1

a microcrystalline quartz

Dimensions: 20x20x4 mm

Marcasite Stalactite from Linwood Mine DX3162 hedenbergite Quartz cluster with amazing clarityMarcasite Stalactite from Linwood Mine Approx. Dimensions: 1. 75x1x0. 5 inches Approx. Weight: 8. 6 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