Specimens : Mineral : Pyrite

Locality: Spruce claim
Pyrite
Locality: Unknown
Pryite & Calcite on Fluorite
Locality: Minerva #1 Mine, Ozark-Mahoning group, Cave-in-Rock, Hardin Co., Illinois
Porcelain Fluorite
Locality: Yaogangxian Mine, Yizhang Co., Chenzhou, Hunan, China
Pyrite
Locality: Moses Hill, Magnet Cove, Hot Spring Co., Arkansas, USA
Fluorapatite with Quartz, Pyrite, Muscovite & Siderite
Locality: Panasqueira Mine, Covilha, Castelo Branco, Portugal
Fluorite, Calcite & Pyrite
Locality: Minerva #1 Mine, Cave-in-Rock District, IL
Pyrite
Locality: Unknown
Pyrite Balls with Druzy Quartz
Locality: Unknown
Pyrite
Locality: Navajún, La Rioja, Spain
Pyrite
Locality: Moses Hill, Magnet Cove, Hot Spring Co., Arkansas, USA
Pyrite
Locality: Navajún, La Rioja, Spain
Calcite on Pyrite
Locality: Sweetwater Mine, Ellington, Reynolds Co., Missouri, USA
Calcite on Pyrite & Dolomite
Locality: Sweetwater Mine, Ellington, Reynolds Co., Missouri