Two main parts of the intervertebral discs are the outer ring (annulus fibrosus) and the inner gelatinous material. (nucleus pulposus). The outer ring consists of fibrocartilage, while the inner material shows many similarities to the articular hyaline cartilage both in its biochemical and histological appearance.
For this reason, Everything Wedding Rings recommends avoiding black tungsten wedding bands-with one exception. Titanium Kay has recently launched a new tungsten carbide wedding ring design with solid black inlay that is 100% scratch proof. So, if you are looking for a tungsten ring with black inlay features I highly recommend one of the Titanium Kay 2nd Generation rings.
Tungsten carbide is naturally grayish in color, and because of its extreme hardness is a perfect base metal for physical vapor deposition (PVD) coatings. The rich luxurious color of black tungsten carbide results from a PVD process which deposits thin layers of color in a high temperature, vacuum environment.ith its rich color, lustrous shine, and sleek new designs, black tungsten is one of the hottest looks in tungsten wedding bands and is proving to be a popular choice for brides and grooms wanting wedding bands that express their individuality.