Features:
The natural pores of the natural volcanic rock give it a unique breathing function, which can absorb essential oils to enhance the fragrance diffusion effect.
The volcanic rock in the fish tank can purify the water quality and can absorb the fine feces of fish. 
The characteristics of the volcanic rock material inherit a high Zhuang, tranquil, and elegant styles are also in line with the current human pursuit of low-carbon and high-quality life

Type: Natural volcanic rock
Process: Grinding
Shape: Irregular
Main Color:Black
Sizer:2-3cm/4-6cm
Products Include:50g Natural volcanic rock

Please note:
1.Please allow minor error due to manual measurement.
2.The colors may be a little difference for the different monitor display.
3.Pure natural, Not exactly the same, Each ONE is unique.

About CyanQ Store: 
CyanQ devotes to selling all kinds of gemstone jewelry and chakra stones in high quality for the collection of over thousands of different fashion jewelry, suitable for both men and women.