1. A green variety of chrysoberyl used as a gemstone

Derived forms: alexandrites

Type of: chrysoberyl

Encyclopedia: Alexandrite

• class Pelecypoda
• class period
• class Phaeophyceae
• class Phasmidia
• class Pinopsida
• class Placodermi
• class Plectomycetes
• class Polychaeta
• class Polyplacophora
• class Psilopsida
• class Psilotatae
• class Pteridospermopsida
• class Pyrenomycetes
• class Reptilia
• class Rhodophyceae
• class Sarcodina
• class Scaphopoda
• class Schizomycetes
• class Scyphozoa
• class Sphenopsida
• class Sporozoa
• class structure
• class struggle
• class Symphyla
• class Tardigrada