It is not the egg of the Brazilian turtle. The egg of the Brazilian turtle is oblong and the two ends are equal in size. The eggs of turtles are generally perfectly round for tortoises, perfectly round for soft-shell turtles, and oblong for water turtles. The one you have is big on one end and small on the other. It is pear-shaped and has a hard shell. It should be from a bird. Judging from the size, it should be a quail egg (quail eggs are also pure white). Many profiteers sell quail eggs as turtle eggs, because turtle eggs are Hatching is inherently troublesome and has a high success rate, so even if you ask him, he will tell you.

If you guessed it correctly, you should have bought it online or at the flower and bird market