1, the band is strong enough, of course, the premise is professional and formal. Many purple flashlights on the market pass for 365 with 395, and even pass for more than 400 bands. Be careful, tank007' s purple light is more professional.

2, Baltic amber is very easy to distinguish, even if you don't need purple light, 90% of Baltic amber is what we call "beeswax", orange and opaque. And the fluorescence of this amber is light green.

3. After the natural high-quality jadeite is sealed with wax, the residual wax shows point fluorescence, and the pattern irradiated by purple light is shown in the following legend 1. Legend 1: Goods B and C of Emerald glow under the violet light as a whole, and the pattern is shown in the following Legend 2.

4. Illuminate the snow slope with purple light, the carved part is dark green, and the polished part is blue and white.