false topaz vs topaz

false topaz and topaz both are nouns.

Word	Noun	Adjective	Verb	Adverb
false topaz	Yes	No	No	No
topaz	Yes	No	No	No

As nouns, false topaz and topaz are synonyms defined as:

Other synonyms of false topaz include common topaz.

false topaz (noun)	topaz (noun)
a yellow quartz	a light brown the color of topaz
	a mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstone
	a yellow quartz