pyrite - Huanzalá Mine, Huallanca, Peru - Unit of 5 student specimens San Jose Creek feeds the

San Jose Creek feeds the beach directly

apparently hydrothermally altered volcanic ash

Shipping: By Priority Mail or USPS Ground Advantage

but prefer that students see it as it was found on the beach

pyrite - Huanzalá Mine, Huallanca, Peru - Unit of 5 student specimens San Jose Creek feeds thepyrite FeS2 Huanzal Mine, Huallanca, ncash Department, Peru Pyrite, iron sulfate, or fool's gold, is the most common sulfide mineral. As it oxidizes, it changes from iron sulfate to iron oxide and takes in water, becoming limonite. This change releases sulfur, which forms sulfuric acid that dissolves other minerals in the original ore, allowing them to be washed downward by rainwater. The leached zone is easily mined. Pyrite is used as an iron ore