Gem Care

GEMSTONE	TOUGHNESS	STEAMING	ULTRASONIC	BOILING	SOAP	CLEANERS	UNTREATED CLOTH
Alexandrite	Excellent	Yes	Yes	No	Yes	Yes	Yes
Amber	Poor	No	No	No	No	No	Yes
Amethyst	Good	No	No	No	Yes	Yes	Yes
Aquamarine	Fair	No	No	No	Yes	Yes	Yes
Citrine	Good	No	No	No	Yes	Yes	Yes
Coral	Fair	No	No	No	Yes	No	Yes
Diamond	Good	Yes	Yes	No	Yes	Yes	Yes
Emerald	Fair	No	No	No	Yes	No	Yes
Garnet	Good	No	No	No	Yes	Yes	Yes
Iolite	Fair	No	No	No	No	No	Yes
Lapis	Fair	No	No	No	Yes	Yes	Yes
Opal	Poor	No	No	No	No	No	Yes
Pearl	Poor	No	No	No	No	No	Yes
Peridot	Fair	No	No	No	No	No	Yes
Ruby	Excellent	Yes	Yes	No	Yes	Yes	Yes
Sapphire	Excellent	Yes	Yes	No	Yes	Yes	Yes
Spinel	Good	Yes	Yes	No	Yes	Yes	Yes
Tanzanite	Poor	No	No	No	Yes	No	Yes
Topaz	Good	No	No	No	Yes	No	Yes
Tourmaline	Good	No	No	No	Yes	Yes	Yes
Turquoise	Poor	No	No	No	Yes	No	Yes