Quartz countertops, also called engineered stone countertops, are man-made products. They are made of 93% to 95% ground-up natural quartz stone and a small number of other minerals and colorants.

Arthur's Stone is more than meets the eye Arthur's Stone was built around 3,700 B.C., at the beginning of the Neolithic period, and has inspired tales passed down through generations, Thomas said.

Arthur’s Stone dates to around 3700 B.C.E., making it a millennium older than Stonehenge, which was constructed around 2500 B.C.E. Per Atlas Obscura, the tomb consists of nine standing stones ...

Made of 93% natural stone, they’re an excellent example of human ingenuity and nature combined. Quartz countertops pros and cons lists lean heavily toward the pros side.

MSI/Levantina "With a natural stone, over time, the wear and tear of it will make it look less new," said Turett. Granite is fairly durable, but it's not as hard as quartz.