pyrite - Huanzalá Mine, Huallanca, Peru - Unit of 5 student specimens a name given to it

a name given to it in Elizabethan England from its use in medieval Russia as a cheaper alternative to glass in windows

apparently hydrothermally altered volcanic ash

This peat was collected from a former marsh along Pallett Creek in the San Andreas fault zone

Question for students:

An alternate test is to scrape the magnesite on a streak plate to produce a powder

pyrite - Huanzalá Mine, Huallanca, Peru - Unit of 5 student specimens a name given to itpyrite 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