The following chart will assist you in caring for your gems. Your independent jeweler is your best source of advice about the proper care of your gems and jewelry.

Gemstone Fragile Gem Remounting Care Heat Sensitive Avoid Acids Avoid Pressure Do Not Boil Do Not Steam No Ultrasonic
Agate X
Alexandrite X
Amber X X X X X X X
Amethyst X
Ametrine X
Anadalusite X
Apatite X X X
Aquamarine X X
Beryl X X
Chalcedony X
Gemstone Fragile Gem Remounting Care Heat Sensitive Avoid Acids Avoid Pressure Do Not Boil Do Not Steam No Ultrasonic
Citrine X
Coral X X X X
Diamond X
Diopside X X X
Drusy Quartz X
Emerald X X X X X X X X
Feldspar (moonstone & sunstone) X X X X X
Garnets X X X
Hematite X X
Jadeite X X
Gemstone Fragile Gem Remounting Care Heat Sensitive Avoid Acids Avoid Pressure Do Not Boil Do Not Steam No Ultrasonic
Kunzite X X X X X
Lapis Lazuli X X X X
lolite X
Malachite X X X X X
Nephrite Jade X X
Opal X X X X X X
Pearls X X X X X
Peridot X X X X X X X
Quartz X
Ruby
Gemstone Fragile Gem Remounting Care Heat Sensitive Avoid Acids Avoid Pressure Do Not Boil Do Not Steam No Ultrasonic
Sapphire X
Shell Cameo X X X X X X
Spinel X
Sugilite X X X
Tanzanite X X X X X X X X
Topaz X X X X X X
Tourmaline X
Turquoise X X X X X
Zircon X X X X X X
Note: Durability of many gemstones, whether listed here or not, is proportionate to the level of inclusions.


Back to Home Page

Crews Jewelers
1711 61st Avenue, Suite 204
Greeley, CO 80634
(970) 356-4801 Fax: (970) 351-0867
Toll Free 1 800-356-4801

©2010-Crews, Inc.
P.O. Box 336337
Greeley, CO 80633