Safe Cleaning Methods for your Gemstones

Safe Cleaning Methods for your Gemstones
I’ve listed the most popular ways to clean gemstones and those stones that can be cleaned safely under that method. Mohs is the hardness of the stone- the rating is from 1 – 10 where 10 is the hardest (diamonds).

Cleaning method: Steaming

Gem Name and Mohs Rating
Jade, Jadeite 6 1/2 - 7
Jade, Nephrite 6 - 6 1/2
Cubic Zirconia (CZ) 8 1/2
Rhodonite 5 1/2 - 6 1/2
Aquamarine 7 1/2 - 8
Alexandrite 8 1/2
Ruby 9
Sapphire 9
Diamond 10
Spinel 8

Cleaning method: Ultrasonic
Jade, Jadeite 6 1/2 - 7
Jade, Nephrite 6 - 6 1/2
Cubic Zirconia (CZ) 8 1/2
Carnelian 7
Citrine 7
Garnet 7 - 7 1/2
Amethyst 7
Rhodonite 5 1/2 - 6 1/2
Aquamarine 7 1/2 - 8
Alexandrite 8 1/2
Ruby 9
Sapphire 9
Diamond 10
Spinel 8

Cleaning method: Boiling
Jade, Jadeite 6 1/2 - 7
Jade, Nephrite 6 - 6 1/2
Cubic Zirconia (CZ) 8 1/2
Diamond 10

Cleaning method: Soap
Amazonite 6 - 6 1/2
Fluorite 4
Labradorite 6 - 6 1/2
Moonstone 6 - 6 1/2
Rainbow Moonstone 6 - 6 1/2
Sunstone 6 - 6 1/2
Sodalite 5-6
Apatite 5
Howlite 3 - 3 1/2
New ''Jade'' 2 1/2 - 6
Olive ''Jade'' 2 1/2 - 6
Serpentine 2 1/2 - 6
Malachite 3 1/2 - 4
Diopside 5 1/2 - 6
Shell 3 1/2
Jade, Jadeite 6 1/2 - 7
Jade, Nephrite 6 - 6 1/2
Cubic Zirconia (CZ) 8 ½
Iolite 7 - 7 1/2
Lapis Lazuli 5 - 6
Tourmaline 7 - 7 1/2
Kyanite 4 - 7 1/2
Opal 5 - 6 1/2
Tanzanite 6 - 7
Topaz 8
Zircon 6 - 7 1/2
Emerald 7 1/2 - 8
Turquoise 5-6
Coral 3 1/2 - 4
Carnelian 7
Citrine 7
Garnet 7 - 7 1/2
Amethyst 7
Aquamarine 7 1/2 - 8
Alexandrite 8 1/2
Sapphire 9
Spinel 8
Diamond 10
Rhodochrosite 3 1/2 - 4 1/2 Cool Soapy Water
Calcite 3 Cool soapy water is safe

Rhodonite 5 1/2 - 6 1/2 Warm Soapy Water
Amber 2 - 2 1/2 Warm soapy water is safe.
Do not use a brush because it may leave scratches

Cleaning method: Untreated cloth

Alexandrite 8 1/2
Amazonite 6 - 6 1/2
Amber 2 - 2 1/2
Amethyst 7
Apatite 5
Aquamarine 7 1/2 - 8
Aragonite 3 1/2 - 4
Calcite 3
Carnelian 7
Citrine 7
Coral 3 1/2 - 4
Cubic Zirconia (CZ) 8 1/2
Diamond 10
Diopside 5 1/2 - 6
Emerald 7 1/2 - 8
Fluorite 4
Garnet 7 - 7 1/2
Howlite 3 - 3 1/2
Iolite 7 - 7 1/2
Jade, Jadeite 6 1/2 - 7
Jade, Nephrite 6 - 6 1/2
Kyanite 4 - 7 1/2
Labradorite 6 - 6 1/2
Lapis Lazuli 5 - 6
Malachite 3 1/2 - 4
Moonstone 6 - 6 1/2
New ''Jade'' 2 1/2 - 6
Olive ''Jade'' 2 1/2 - 6
Opal 5 - 6 1/2
Pearl 2 1/2 - 4
Peridot 6 1/2 - 7
Rainbow Moonstone 6 - 6 1/2
Rhodochrosite 3 1/2 - 4 1/2
Rhodonite 5 1/2 - 6 1/2
Ruby 9
Sapphire 9
Serpentine 2 1/2 - 6
Shell 3 1/2
Sodalite 5-6
Spinel 8
Sunstone 6 - 6 1/2
Tanzanite 6 - 7
Topaz 8
Tourmaline 7 - 7 1/2
Turquoise 5-6
Zircon 6 - 7 1/2

Hope you find this information helpful and don't forget to sign up below for my weekly newsletter Bella Gems!

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