John started by digging a small tunnel into a mountain. He had to be careful not to dig too fast, or he would miss the subtle visual cues that indicated the presence of ores. As he dug, he kept his eyes peeled for a slight shimmering effect that appeared on certain blocks.
However, John had a problem. He was playing on a server with some pretty tough rules. No hacking, no mods, and no cheats of any kind. So, he had to rely on his own skills to find those diamonds. That's when he remembered an old trick he had learned from a fellow miner. minecraft 152 xray work