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
Stone+metals 
no
The term magnet comes from a Greek term that means "Magnesian Stone".
A load stone is a natrual magnet
stone sticks and clay
Probably a sharpening stone (for knives)
Walls are traditionally made of stone and roofs are made of sticks and grass sewn into the sticks
Metals + stone