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topaz

DEFINITIONS OF: topaz

1

n a mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstone

Type of:
mineral
solid homogeneous inorganic substances occurring in nature having a definite chemical composition
transparent gem
a gemstone having the property of transmitting light without serious diffusion

n a yellow quartz

Synonyms:
common topaz, false topaz
Type of:
quartz
a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities

n a light brown the color of topaz

Synonyms:
tan
Type of:
light brown
a brown that is light but unsaturated
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