Yes The live broadcast room has very strong control over the merchants who buy jewelry. The classic agate chalcedony on the stone is directly authorized by the manufacturer. The texture is transparent, even, crystal clear, clear and hard, and the live broadcast room is real. Chalcedony, as the latest popular jade species in 2 1 century, was deeply loved by people at that time. Chalcedony is essentially a cryptocrystal, that is, silicon dioxide, which is the same mineral as agate, but there are also differences.