De vigtigste sorter af chrysoberyl ædelsten, cat's eye and alexandrite, er vigtige ædelstene i verden. In addition to cat's eye and alexandrite, chrysoberyl ædelstene omfatter også chrysoberyl, which refers to gold that does not have the discoloration effect and the cat's eye effect. Emerald perler. Blandt dem, der er ingen specielle optiske effekter, [...]
