“In this study we examine the accuracy of the level method, the overflow method and the mass-based suspension method in determining the density of natural stones. We find that the density of polycrystalline materials, which is challenging to be determined by conventional crystallographic techniques (X-Ray diffraction, neutron diffraction), … can instead be assessed accurately using a mass-based method and inexpensive instruments. In addition, the methods we explore are non-destructive which preserve the natural stones. The density is determined with a mass rather than a volume determination method.”

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