Noun
A mineral, found in crystals, of a yellow to green or brown color, and consisting of aluminia and glucina. It is very hard, and is often used as a gem.
Source: Webster's dictionaryBeryl has a high ratio of beryllium to aluminium, while the opposite is true for chrysoberyl. Source: Internet
Despite the similarity of their names, chrysoberyl and beryl are two completely different gemstones, although they both contain beryllium. Source: Internet
If the pegmatite fluid is rich in beryllium, crystals of beryl or chrysoberyl could form. Source: Internet
Cat's eye material is found as a small percentage of the overall chrysoberyl production wherever chrysoberyl is found. Source: Internet
The color in yellow chrysoberyl is due to Fe 3+ impurities. Source: Internet
This unusual requirement explains the rarity of this chrysoberyl variety. Source: Internet