I'll give you a solution to the problem. This method does not need tortoise shells, and yarrow can bring wealth and luck.
It takes three days to test the authenticity of jade, and it will take seven years to distinguish wood.
In the days of the Duke of Zhou, he was afraid of gossip and paid homage to the throne before Wang Mang usurped the throne.
Shi Xiang died at the beginning, but who knows the truth of his life.
Among them, "three days to test jade, seven years to distinguish materials" just shows that only time can distinguish the value of things!