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10 naturally magnetic lodestone
High quality 1 to 1.5 inch chunks
From Iron County, Utah USA
Paperclips not included
10 naturally magnetic lodestones 1 to 1.5 inch chunks. Great for classroom or educational purposes. All have good magnetism. This is high quality lodestone from Iron County Utah, USA. A lodestone is a naturally magnetic piece of the mineral magnetite. Only a small amount of all magnetite is naturally magnetized and considered lodestone. One theory is that the magnetism is caused when lightning strikes outcroppings of magnetite.