C1894 Marie Curie

"What's wrong, Mr. Polo?" Aleksei asked.

Polo held the Magicite Crystal with both hands as he said with a complicated expression on his face: "This rock seems to be some kind of ore, but its internal structure is different from all the ores that are currently known to me … Perhaps, only in other worlds would such a strange thing be formed. "

"Do you know, Mary Curie?" Polo suddenly asked