No the eggshell of brown eggs is not thicker than the eggshell
of white eggs.
View page
So it can get out of its shell!
View page
Acid dissolves the Calcium in the shell.
View page
In a chicken eggshell, there are approximately 7,000 pores.
View page
Neither. They are exactly the same. Eggshell color has nothing
to do with the thickness of the shell. The thickness will vary
depending on health and diet and age of the hen.