Golden Beryl Gemstones Hardness 7.5 - 8.0. Occurrence North and South America, Northern Europe, East Africa, South Africa, Himalayan Asia, and most notably, Colombia. Appearance Lemon yellow to golden in color.
Yellow beryl is colored by iron, the golden variety by uranium oxide.
Enhancements Yellow stones are usually produced by irradiation. More information on gemstone enhancements. 1995-2000 Gem Hut. All rights reserved.