There are two kinds of glow gravels.
1) The organic glow gravel is used into organic medium, such as
marble. Usually be used inside, like marble table; The inorganic
glow gravels are usually used into inorganic medium, could be mixed
with sand, cement, and so on to pave or decorate.
2) The glow stones(the bigger sizes) are usually be used for
decoration, could be put into natatorium, aquarium, flowerpot,
stair, etc. Or any other places you would. It could be used for
inlay, like closet, table and so on.
3) The glow time of the stones and gravels are almost the same. The
difference is decided by the color. The body color of light-green
is more than 12 hours, the colorized stones, such as green, blue,
rose is about 8~10 hours.
4) The service life of the stones is usually 10 years, if it is
used indoor, the time is longer.