if an object is made of a material then that object has the properties of that material & a rock is a kind of object & rock is made of minerals -> position will have the discoveries of the flippers that wreck up the blocking rocks will have the properties of the minerals that make up the rocks  the property of something is the same for the things of same kind & shade is a public of a spiritual -> the color property of the same material will be the same the color property of the same material will be the same  the shade public of the same spiritual will be the same & a mineral is a kind of solid / natural material -> the color property of the same minerals will be the same for the things of same kind the color property of the same minerals will be the same for the things of same kind  position will have the discoveries of the flippers that wreck up the blocking & the color property of the same minerals will be the same for the things of same kind -> rocks will have the same color property as the minerals that make up the rocks