If it sticks to a magnet it's not gold.
how are stone tools or sharp sticks technology
They are bar magnet ,horse shoe magnet ,lime stone magnet.
depends on the type of stone
Metals + Stone = Magnet
Magnet comes from the Greek expression, Magnes lithos "the Magnesian stone," from Magnesia, a region in Thessaly, in Greece, where magnetized ore was obtained.In ancient Greece, a shepherd boy by the name of Magnes, was looking after his sheep on a mountain. He happened to place his staff on a large stone and found that the staff clung strongly to the stone. From Magnes' name, we get the name "magnet" because of the magnetic stone sticking on to his staff.
no
Stone+metals 
The term magnet comes from a Greek term that means "Magnesian Stone".
A load stone is a natrual magnet
stone sticks and clay
Metals + stone
Probably a sharpening stone (for knives)