Mark Was Confused
Oliver held a glowing stone, but Mark thought it was just a cheap stone from a gift shop. But the stone abruptly stopped glowing when Oliver gave it to Mark. At first, Mark was utterly perplexed, but then he understood. He needed time, though.
Observing With Naked Eye
The first step Mark took was to closely examine the gem with his naked eye. He carefully observed its color, clarity, and overall appearance. He looked for any visible inclusions, cracks, or irregularities that could affect its value. Mark knew that even the tiniest detail could make a significant difference.