8mm Round Cabochon Black Onyx Stones Flat Black onyx Cabochon
Other Name:
agate/black agate/onxy/Natural onxy
The refractive index of agate
1.54
The proportion of agate
2.60
Hardness
7
Usage:
ring stone/Assistant Stone for jewelry
Packaging and delivery
Packaging Details
For agate stones: 1. Small size agate stone packed with plastic bag, big size packed with tissue paper and tied with cushion rubber. 2. Then put the packaged agate stone into the carton box with the foam. 3. The carton box will be sealed with viscose fabric to protect it.