Chrysoberyl is a beautiful gem and well suited for jewelry use. The combination of high hardness (8.5) and indistinct cleavage make it very durable
Chrysoberyl is one of the most distinguished gemstone families, featuring two of the most important varieties in the gems world — alexandrite and chrysoberyl cat’s eye. But even the ordinary yellow-green chrysoberyl is a fine gemstone, with excellent hardness and brilliance.
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| Color-Change Alexandrite |
Cat’s Eye Chrysoberyl |
Chrysoberyl |
Chrysoberyl is an aluminum beryllium oxide by chemical composition and belongs to the orthorhombic crystal system. Despite the name, chrysoberyl is not related to the beryl family, which includes emerald, aquamarine and morganite. The beryls have a different chemical composition (beryllium aluminum silicate) and different (hexagonal) crystal structure.
One of chrysoberyl’s great attractions is its excellent hardness — it is rated 8.5 on the Mohs scal , just below ruby and sapphire. So chrysoberyl is suitable for any type of jewelry. Chrysoberyl also has a high refractive index, in a similar range as brilliant gems like tsavorite garnet.
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