crystal vs crystal counter

crystal and crystal counter both are nouns.

Word	Noun	Adjective	Verb	Adverb
crystal	Yes	No	No	No
crystal counter	Yes	No	No	No

crystal (noun)	crystal counter (noun)
a protective cover that protects the face of a watch	a counter tube in which an ionizing event increases conductivity
glassware made of quartz
a crystalline element used as a component in various electronic devices
a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces
a solid formed by the solidification of a chemical and having a highly regular atomic structure
colorless glass made of almost pure silica