Answer:

BERYL

Answer	Crossword Clue
BERYL	Aquamarine, e.g.
BERYL	Hard rock
BERYL	Emerald, e.g.

BERYL	Emerald, for one
BERYL	Emerald is a variety of it
BERYL	Usually green mineral
BERYL	Emerald, essentially
BERYL	Gem mineral
BERYL	Aquamarine or emerald
BERYL	Lustrous mineral
BERYL	Emerald or aquamarine

BERYL	Green gem mineral
BERYL	English aviator Markham
BERYL	New Hampshire state mineral
BERYL	Novelist Bainbridge
BERYL	Green-gem mineral
BERYL	Aquamarine.
BERYL	Green-blue stone.
BERYL	A birthstone.

BERYL	One of October's birthstones.
BERYL	Aquamarine stone.
BERYL	Emerald or aquamarine.
BERYL	Gem.
BERYL	Bluish-green silicate.
BERYL	Mineral.
BERYL	Very hard mineral.
BERYL	Hard, colorful mineral.

BERYL	Gem
BERYL	Emerald
BERYL	October stone
BERYL	Blue-green stone
BERYL	Shade of blue
BERYL	Gemstone
BERYL	One of October's birthstones
BERYL	Semiprecious stone

BERYL	Silicate gemstone
BERYL	A gemstone
BERYL	Shade of green
BERYL	Green gem source
BERYL	Emerald and aquamarine, really