Crystal (given name) definition

(1) A protective cover that protects the face of a watch

(2) Glassware made of quartz

(3) A crystalline element used as a component in various electronic devices

(4) A rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces

(5) Colorless glass made of almost pure silica

(6) A solid formed by the solidification of a chemical and having a highly regular atomic structure