Natural Magnetic LodeStone Classroom Pack of 20 Pieces Approx. .75 - 1 Inch
A lodestone is a naturally magnetized piece of the mineral magnetite.The lightly magnetic property of these rock specimens is demonstrated by the included clinging iron filings. These stones contain iron ore, the earth's only natural magnet. Ancient people first discovered the property of magnetism in lodestone. Pieces of lodestone, suspended so they could turn, were the first magnetic compasses, and their importance to early navigation is indicated by the name lodestone. Healers use this mineral for issues with asthma, blood & circulatory system, skin, hair, muscle strains, cramps and nosebleeds. Each lodestone measures approximately 3/4 to 1" in diameter. Picture is representative of the specimen you will receive. Each rock is unique and will vary in shape, size and appearance. Ages 8 and up.