Acetic acid is commonly used in paleontology for the preparation and extraction of fossils, particularly those embedded in carbonate-rich matrices such as limestone. The acid is applied in a controlled manner to dissolve the surrounding carbonate matrix, gradually freeing the fossil without damaging its delicate structure. This technique is especially useful for isolating small, fragile fossils like microfossils or soft-bodied organisms. The use of acetic acid allows paleontologists to recover fossils in a pristine state, preserving fine details that are critical for scientific study and accurate identification. Do not use acetic acid with fossils combosed of calculum cabilate as it will desolve the fossil.