"The lodestone in the cave walls made their magnetic compasses useless."
magnetite
You cannot make a lodestone because it is a natural object that comes from the earth which is a magnetic force. It can grab and/or take force of a none magnetic thing, such as a paper clip.
Gold salts or colloidal gold are used in pharmacy.
Plutonium is not used in gold mining !
Lodestone.
No. The magnetic compass wasn't invented yet. He probably used a lodestone, which is a magnetic stone hanging on a string.
Magnetite is a mineral that is naturally magnetized. Sometimes called 'lodestone'. Magnetite is hard, shiny, black, and is often used in jewellery.
They are natural magnets. The term is used sometimes to indicated that some thing draws a person to it.
No. Magnetic compasses weren't invented yet. He probably used a lodestone, which is a magnetic rock hung on a string.
Lodestone is a magnetized piece of magnetite and is sometimes referred to as magnetite. Lodestone is a naturally occurring magnet that attracts iron.
Lodestone
Why yes! Lodestone is magnetic! Lodestone is a form of iron. : )
Natural magnets are from lodestone (magnetite).
Lodestone Games was created in 2001.
Lodestone is an example of a natural magnet.
Yes, the Chinese discovered the lodestone.