A pearl is not extracted from the earth. They are found in oyster's shells. The term for it is harvesting oysters.
clam
Einsteinium is not extracted from the earth, it is an artificial element.
it is extracted from electrolysis of potash.
extracted, it is a mineral that occurs naturally in the earth.
You need to specify "it".
Halite (NaCl) is extracted by mining or from seawater by crystallization/recrystallization.
As of 2021, it is estimated that approximately 1.5 trillion barrels of oil have been extracted from the earth.
Gold is extracted from the earth itself, near the place underground where coal miners work.
Sylvite (KCl) is mined.
Rocks are extracted from the Earth's crust, which is the outermost layer. This is where most of the solid rocks are found, including those suitable for mining and quarrying.
By using electrolysis from potash
You just pull them off the tree.