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An assortment of tools used in fossil preparation.
Fossil preparation. The spinning tip of a grinding tool removes red matrix from a fossil bone. A grinding tool is used when the matrix is very hard, when a fossil is particularly fragile, or when the rock "sticks" too tightly to a fossil.
An assortment of tools used in fossil preparation. The choice of tool is determined by the condition of the fossil and the characteristics of the matrix.
▶ Fossil Preparation Series: Preparing a Trilobite - Season 1/Episode 1 - YouTube