Answer:

crystal

Answer	Crossword Clue
CRYSTAL	Waterford product
CRYSTAL	High-quality glass
CRYSTAL	Nine-time Oscars host

CRYSTAL	Traditional 15th anniversary gift
CRYSTAL	Formal glassware
CRYSTAL	Ubiquitous BIC
CRYSTAL	Watch part
CRYSTAL	Pricey stemware
CRYSTAL	Good glasses
CRYSTAL	Fine glassware
CRYSTAL	Formal dinnerware

CRYSTAL	15th anniversary gift
CRYSTAL	Figurine material
CRYSTAL	Fine glass
CRYSTAL	Ball material
CRYSTAL	Early radio set.
CRYSTAL	Clear, transparent quartz.
CRYSTAL	Transparent quartz.
CRYSTAL	Fifteenth anniversary gift.

CRYSTAL	Part of a formal dinner service.
CRYSTAL	Symbol of clarity.
CRYSTAL	Flint glass.
CRYSTAL	Gazer's globe
CRYSTAL	Futuristic kind of ball
CRYSTAL	Grain of salt, e.g.
CRYSTAL	Glassware
CRYSTAL	Stemware

CRYSTAL	Goblet material
CRYSTAL	[15]
CRYSTAL	Billy of "Monsters, Inc."
CRYSTAL	Snowflake, e.g.
CRYSTAL	The 'C' of LCD
CRYSTAL	Fifteenth anniversary gift
CRYSTAL	New Age mat riel
CRYSTAL	Seer's tool

CRYSTAL	It's clear