Hyalite Opal on Aquamarine (Namibia), UV reactive hyalite opal, aquamarine crystal, rare minerals, rare crystals, fluorescent crystalSize 2. 2 x 2 Cm Weight 11. 6g ( Conversion: 1 inch = 2. 5 Cm ) Origin: Erongo Mountain, Erongo Region, Namibia The hyalite opal appears colourless under natural or normal light, but glow a vivid green under UV lighting (also known as black light). A 255 nm shortwave UV light is recommended for optimal fluorescence. Please note that this is a natural product, sometimes stones and crystals have small imperfections and blemishes. Make sure to double
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