Marcasite Stalactite from Linwood Mine DX3178 smokey quartz Michigan's copper mines played a

Michigan's copper mines played a crucial role in supplying copper for the burgeoning industrialization of the United States and remain an important part of the state's history and economy

Aquamarine from Nagar has been collected for decades and is respected for its consistent quality and aesthetic crystal forms

Weight: 155 grams

Gold Sheen Obsidian Quan Yin Carving

Marcasite Stalactite from Linwood Mine DX3178 smokey quartz Michigan's copper mines played aMarcasite Stalactite from Linwood Mine Approx. Dimensions: 3x1. 25x1 inches Approx. Weight: 29. 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 clusters