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However, most fine specimens are carefully preserved by mineral collectors and rarely faceted. The dazzling gemstone Benitoite flawlessly completes the list of the world's rarest gemstones. Found only ...

A team of archaeologists has discovered a rare rock used to make tools in the Stone Age. The "polishing boulder", found in the Valley of the Stones near Dorchester, would have been used to make ...

In a powder room, brass-inlaid, lilac-veined Turkish marble takes up every inch of the vanity, which includes a sink carved ...