Minerals identify

Know how to recognize them

Lodestone

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A lodestone is a naturally magnetized piece of the mineral magnetite They are naturally occurring magnets. The property of magnetism through lodestones. 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, which in Middle English from the now-obsolete meaning of lode

Lodestone is one of only a very few minerals that is found naturally magnetized. Magnetite is black or brownish-black, with a metallic luster , a Mohs hardness of 5.5–6.5 and a black streak.

Identification