Emeralds can be quite expensive. Only the finest qualities are transparent. Inclusions, healed cracks, and foreign crystals are not classified as faults, but are evidence as to the genuiness of the stone. Aquamarines are light blue to dark blue or blue-green. A deep blue is the most desirable color.
Golden beryl is a lemon yellow to a golden yellow variety.
Goshenite is colorless. Heliodor is a gold color. Morganites are pink, peach, and sometimes violet. Bixbites are strawberry red, quite rare, and expensive. The stones of this group are pyrope , almandine , spessartite , grossular , dematoid , and uvarovite .