Good Price Small Practical UV & LED Flashlight Size Only 65x15 mm with key ring, in silver colored metal including batteries Buy Now!

⭐ RIDDGEM Checked & Tested – Shipped from Sweden – no import duties within the EU ⭐

Specifications

UV light: 2 LEDs
Dimensions: 65x13 mm
Weight: 11 grams without batteries
Energy: 3xLi Type Batteries included
Comment: Metal tube shaped with on/off button and key ring

Using UV light for gemstone identification is based on the fact that minerals absorb invisible ultraviolet radiation and emit visible light. These techniques are very useful for distinguishing natural stones from synthetic or imitation stones.

Long wave (approx. 365-395 nm): Has lower energy and is harmless. This is the wavelength used in regular UV flashlights. It is used to detect basic fluorescence, such as the characteristic red/orange glow of rubies or the blue glow of some diamonds.