[TOMT] [book] gemstones and armour of isreal

Can't find this book myself or if I completely imagined it, there is a plot line of the armour of Israel and it used to have 12 gemstones on it that imbued the wearer with power but they were lost to time, someones trying to get them all together to take over the world, and there's someone who's trying to stop them from succeeding