Alfa Mirage UV LED Black Light

Easily see the fluorescence of diamonds and other stones for color grading and artistic stone arrangement. Each gives off a distinctive coloration under the UV light. For example: diamonds glow blue.

Can be used on natural rubies, opal, amber, synthetic ruby & sapphire. 375nm wavelength. Also determines the authenticity of passports, credit cards and bills.

UV LED Pen Light (Single Bulb), 1-AAA battery not included.