This website can help you tell, compare the images at the end - and run your mouse over them for details.
There are three types of meteorites. Think they are stoney, stoney steely and steely.
An earth magnet may help determine if it’s the real deal. Or at least if it’s a steely meteorite.
My rock had some sand like grains and dark crystals - quartz is a sign that it was made on earth.
Quartz doesn’t survive the heat of atmosphere entry.