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Gemstone Jewelry
Care & Cleaning
| Gemstone |
*Mohs Scale Of Hardness |
Ultrasonic |
Commercial Cleaners |
Soap And Water |
Untreated Soft Cloth |
| Alexandrite (Chrysoberyl) |
8.5 |
Yes |
Yes |
Yes |
Yes |
| Amber |
2 - 2.5 |
No |
No |
No |
Yes |
| Amethyst (Quartz) |
6.5 - 7 |
No |
Yes |
Yes |
Yes |
| Aquamarine (Beryl) |
7.5 - 8 |
No |
Yes |
Yes |
Yes |
| Catseye (Chrysoberyl) |
8.5 |
Yes |
Yes |
Yes |
Yes |
| Citrine (Quartz) |
6.4 - 7 |
No |
Yes |
Yes |
Yes |
| Coral |
3 - 4 |
No |
No |
Yes |
Yes |
| Diamond |
10 |
Yes |
Yes |
Yes |
Yes |
| Emerald (Beryl) |
7.5 - 8 |
No |
No |
Yes |
Yes |
| Garnet Rhodolite Tsavorite |
6.5 - 7.5 |
No |
Yes |
Yes |
Yes |
| Hematite |
5 - 6.5 |
Yes |
Yes |
Yes |
Yes |
| Iolite |
7 - 7.5 |
No |
No |
No |
Yes |
| Jadeite (Jade) |
6 - 7 |
No |
No |
Yes |
Yes |
| Kunzite (Spodumene) |
6 - 7 |
No |
No |
Yes |
Yes |
| Lapis
Lazuli (Lazurite) |
5 - 6 |
No |
No |
Yes |
Yes |
| Moonstone (Feldspar) |
6 - 6.5 |
No |
Yes |
Yes |
Yes |
| Opal |
5.5 - 6.5 |
No |
No |
No |
Yes |
| Pearl |
2.5 - 4.5 |
No |
No |
**No |
Yes |
| Peridot |
6.5 - 7 |
No |
No |
No |
Yes |
| Ruby (Corundum) |
9.0 |
Yes |
Yes |
Yes |
Yes |
| Rutile |
6.5 - 7 |
No |
No |
Yes |
Yes |
| Sapphire (Corundum) |
9.0 |
Yes |
Yes |
Yes |
Yes |
| Shell |
3.5 |
No |
No |
Yes |
Yes |
| Spinel |
8.0 |
Yes |
Yes |
Yes |
Yes |
| Tanzanite (Zoisite) |
6.5 |
No |
No |
Yes |
Yes |
| Topaz |
8.0 |
No |
No |
Yes |
Yes |
| Tourmaline |
7 - 7.5 |
No |
Yes |
Yes |
Yes |
| Turquoise |
5 - 6.0 |
No |
No |
Yes |
Yes |
| Zircon |
6 - 6.5 |
No |
No |
Yes |
Yes |
*
Mohs Hardness Scale - A method of classifying minerals according to their resistance to scratching. The hardness of one material is rated by its ability to scratch others. Minerals rated with a hardness of 5 will be scratched by a mineral rated the same hardness or higher. A mineral rated 4 will not be scratched by a mineral rated 3.5 or lower.
** Please refer to Pearl Care
for recommended soap and water bath for pearls.
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