|
Agate
(All colors)
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Dyed |
To enhance or alter color |
Usually |
| Impregnated with colorless resin or plastic |
To enhance or alter color |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
| Lab Created |
|
|
| Heated |
To enhance color and durability |
Usually |
|
Amazonite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Amber
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Heated |
To enhance the stones appearance, add "sun spangles: and deepen color |
Commonly |
| Heated with oils and pressure |
To enhance color or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color or alter color |
Commonly |
|
Amethyst
|
None |
|
|
Normal care, some stones may fade in color due to direct and extended exposure to sunlight.
|
| Heated |
To lighten and/or remove color |
Commonly |
| Lab Created |
|
|
| Irradiated |
|
Commonly |
|
Aquamarine
|
None |
|
|
Normal care, some stones may fade in color due to direct and extended exposure to sunlight.
|
| Heated |
To enhance color or alter color |
Often |
| Lab Created |
|
|
| Luster enhanced |
To enhance the stones appearance and clarity |
Often |
|
Amazonite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Aventurine
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Azurite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Bloodstone
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Carnelian
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Heated |
To enhance or alter color |
Usually |
| Lab created |
|
|
| Dyed |
To enhance or alter color |
Commonly |
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
|
Charoite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Chrysoprase
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Chrysocolla
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Citrine
(All colors)
|
None |
|
|
Normal care, some stones may fade in color due to direct and extended exposure to sunlight.
|
| Heated |
To enhance or alter color |
Usually |
| Lab created |
|
|
| Luster enhancement |
To improve overall appearance |
|
|
Coral
(All colors)
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Bleached |
To enhance or alter color |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Impregnated with colorless wax |
To improve quality of coral for shaping and polishing |
|
| Impregnated with plastic |
To improve quality of coral for shaping and polishing |
Commonly |
| Lab created |
|
|
| Luster enhancement |
To improve overall appearance |
|
|
Cubic Zirconia
(All colors)
|
None |
|
|
Normal care, some stones may fade in color due to direct and extended exposure to sunlight.
|
|
Dalmatine
|
None |
|
|
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Diamond - (Natural color)
|
SilverTribe.com does not knowingly accept treatments of any kind for natural color diamonds. |
|
|
Normal care, some stones may fade in color due to direct and extended exposure to sunlight.
|
|
Diamond - (Most colors)
|
Irradiation, Heat and High Temperature High Pressure. These are the only color treatments that QVC knowingly accepts. |
To create color |
Always |
Normal care, some stones may fade in color due to direct and extended exposure to sunlight.
|
|
Diamond - (Black)
|
Heated |
To enhance or alter color |
Always |
Normal care, some stones may fade in color due to direct and extended exposure to sunlight.
|
|
Dolomite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To create color |
Occasionally |
| Lab created |
|
|
| Dyed and impregnated with resin |
Dyed and impregnated with resin |
Commonly |
|
Emerald
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Lab created |
|
|
| Oiling |
To improve clarity and appearance |
Usually |
|
Fluorite
|
None |
|
|
|
| Heated |
To enhance the stones appearance |
|
| Irradiated |
To enhance the stones appearance |
|
|
Garnet
|
None |
|
|
Best to avoid sudden temperature changes.
|
| Lab created |
|
|
|
Gaspeite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Goldstone
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Howlite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Occasionally |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Jade
(All colors)
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Bleached with acid, dyed and impregnated with resin/polymer |
To enhance or alter color |
Commonly |
| Impregnated with colorless wax |
To enhance the stones appearance |
Commonly |
| Dyed and impregnated |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Luster enhancement |
To enhance the stones appearance |
Commonly |
|
Jasper
(All varieties)
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Jet
|
None |
To enhance or alter color |
Always |
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
|
Labradorite
|
None |
|
|
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Lapis Lazuli
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Dyed |
To provide color or uniformity of color or color durability |
Commonly |
| Impregnated with colorless resin |
To provide color or uniformity of color or color durability |
Commonly |
| Lab created |
|
|
| Luster enhancement |
|
|
|
Denim Lapis
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Dyed |
To provide color or uniformity of color or color durability |
Commonly |
| Impregnated |
To provide durability |
Occasionally |
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Luster enhancement |
To enhance color and durability |
Commonly |
|
Larimar
(All varieties)
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Magnesite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Dyed |
To provide color or uniformity of color or color durability |
|
| Impregnated |
To provide color or uniformity of color or color durability |
|
| Lab created |
|
|
| Dyed and impregnated |
To increase durability & improve appearance |
|
|
Malachite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Moonstone
(All colors)
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Mother-of Pearl
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Lab created |
|
|
| Dyed |
To stabilize color |
Usually |
|
Mother-of-Pearl Watch Dial
(An assembled product)
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Coated with colored polymer |
To improve durability |
Commonly |
|
Obsidian
(All varieties)
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Onyx
(All colors)
|
Dyed |
To enhance or alter color |
Usually |
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Lab created |
|
|
|
Opal
(Black, White, Red, Pink, Blue, Purple, Fire)
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
| Impregnated with colorless plastic |
To enhance the stones appearance |
Occasionally |
| Lab created |
|
|
Oyster Shell
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Bleached |
To improve color and uniformity |
Usually |
| Dyed |
To add or improve color |
Sometimes |
| Irradiated |
To add or improve color |
Sometimes |
| Chemical treatment |
To add or improve color |
Sometimes |
| Polished |
To improve surface appearance |
|
| Lab created |
|
|
| Luster enhancement |
To enhance appearance |
Sometimes |
|
Pearl
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Bleached |
To improve color and uniformity |
Usually |
| Dyed |
To add or improve color |
Sometimes |
| Irradiated |
To add or improve color |
Sometimes |
| Chemical treatment |
To add or improve color |
Sometimes |
| Polished |
To improve surface appearance |
|
| Lab created |
|
|
| Luster enhancement |
To enhance appearance |
Sometimes |
|
Peridot
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Pieterstie
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Quartz
(All colors)
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Heated |
To enhance or alter color |
Usually |
| Irradiated |
To enhance or alter color |
Usually |
| Coated - Often called Diffusion Treated |
To enhance or alter color |
Often |
| Heated and quenched |
To introduce crackled structure |
Always |
| Dyed |
To add or improve color |
Often |
| Lab created |
|
|
| Luster enhancement |
To enhance the stones appearance |
|
|
Quartzite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Dyed |
To enhance or alter color |
Commonly |
| Dyed and impregnated |
To improve color and appearance |
Often |
| Impregnated with colorless plastic |
To increase durability and improve appearance |
Commonly |
| Lab created |
|
|
| Luster enhancement |
To enhance the stones appearance |
Often |
|
Rhodochrosite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Rhodonite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster Enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Rock
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Impregnated |
To increase durability and improve appearance |
Commonly |
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Luster enhancement |
To enhance the stones appearance |
Often |
|
Ruby
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Heated |
To enhance or alter color |
Usually |
| Filling of surface cavities and fractures as a by-product of heating and visible under 10 X magnification. |
No visible effect |
Commonly |
| Lab created |
|
|
| Latice Diffusion - See Red Sapphire |
To enhance or alter color |
Occasionally |
|
Ryolite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Sapphire
(All colors)
|
None |
|
|
Normal care, some stones may fade in color due to direct and extended exposure to sunlight.
|
| Heated |
To produce or alter color |
Usually |
| Filling of surface cavities and fractures as a by-product of heating and visible under 10 X magnification. |
No visible effect |
Commonly |
| Lab created |
|
|
| Lattice Diffusion |
To enhance or alter color |
Occasionally |
|
Seraphinite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Serpentine
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Shell
(Abalone - Spiny Oyster)
|
None |
|
|
Avoid sudden temperature changes, chemicals and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Dyed |
To create color |
Commonly |
|
Sodalite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Sugalite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Coated, Often referred to a Diffusion Treated |
To enhance or alter color |
Commonly |
| Dyed and impregnated with resin |
To enhance color and durability |
Often |
| Lab created |
|
|
| Luster enhancement |
To enhance the stones appearance |
Commonly |
|
Tiger's-Eye
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Bleached |
To enhance or alter color |
Usually |
| Heated |
To enhance or alter color |
Usually |
| Dyed |
To enhance or alter color |
Usually |
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
| Lab created |
|
|
| Luster enhancement |
To enhance the stones appearance |
|
|
Tourmaline
(All colors)
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Heated |
To enhance or alter color |
|
| Irradiated |
To enhance or alter color |
|
| Oiling |
To improve apparent clarity |
|
| Lab created |
|
|
| Luster enhancement |
To enhance color and durability |
|
|
Turquoise
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Lab created |
The composite material is a manufactured product that consists mostly of turquoise and resin. Artificial veining. |
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Unakite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Varasite / Variscite
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Impregnated with colorless resin or plastic |
To enhance color and durability |
Commonly |
| Luster enhancement |
To enhance color and durability |
Commonly |
| Dyed |
To enhance or alter color |
Commonly |
| Lab created |
|
|
| Dyed and impregnated with resin |
To enhance color and durability |
Commonly |
|
Zircon
(All colors)
|
None |
|
|
Best to avoid temperature swings, heat, chemicals, cosmetics, and ultrasonic cleaners.
|
| Lab created |
|
|
| Heated |
To enhance or alter color |
Commonly |
