Magnetite from Cornwall, Pennsylvania

Magnetite, iron oxide, is one of the most common and ubiquitous of all minerals and is a major constituent of beach sands throughout the world. It is always black, and occurs as disseminated grains, huge beds, distinct crystals and compact masses, such as

Restrictions Only for United Kingdom

Arem Cornwall Crystal Crystals Iron Magnetite Mineralogy Minerals Octahedral Octahedron Ores Oxide Pennsylvania Shape Specimen Specimens

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