In the familiar private room, Yu Jingrong didn't have time to feel nostalgic about the place her father had once used, she started to work on the stone with a handmade grinding machine.
Soon, Yu Jingrong had worn away a palm-sized section, and Yu Dongyang quickly put some good water in front of her.
Yu Jingrong sprinkled a little water on it, and the jade inside was still crystal clear and startlingly green.
"Wow, it's old pit glass jade!" Huang Ruixue exclaimed excitedly from the side.
Yu Jingrong continued to use her hand-operated grinding machine, scraping downwards, about one centimeter down, the color was still emerald green. But within this green, there were countless black spots spread out, startling!
"Oh my god, it really has ringworm!" Huang Ruixue covered her mouth and exclaimed again.
Yu Jingrong continued to grind the stone while Yu Dongyang, seeing her sweat, decided to help her with the grinding machine.