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Cleaning Technique Solutions: Clean Your Gemstones The Right Way

Publised on Jul 29,2016

These wonders of nature leave no stone unturned adorning your jewels (pun intended). We must feel duty-bound to keep their magnificence intact. A thorough care will ensure a long life and durability of our dear gemstones, and knowledge is a pre-requisite for that. Below is a comprehensive table of cleaning techniques for the major gemstones.

However, before we delve into scientifically established techniques for cleaning, let us quickly go over some basic points we need to keep in mind:

  • Use a soft brush to clean hard gemstone
  • Make sure the brush you are using for scrubbing has soft bristles
  • A regular glass cleaner works wonders in removing oil and dirt
  • Use a lint-free cloth to wipe and dry
  • In case you use a strong chemical to clean, for instance, while using Ammonia, make sure to dilute one part of ammonia in three parts of water
GemstoneHardness (On Mohs Scale)Suggested Cleaning TechniqueAvoidSpecial CommentsUse of Ultrasonic Cleaners
DiamondDiamond 10 Use commercial jewellery cleaner or any mild household detergent Powdered abrasive household cleansers and steaming pose a serious threat to diamonds   NO
Sapphiresapphire 9 Typically, lukewarm soapy water is favourable. Fracture-filled or dyed should only be cleaned with a damp cloth Use of acid will damage treated or untreated stones no boiling For untreated, heat-treated, and lattice diffusion treated stones only
Emeraldemerald 7.5 to 8 Warm, soapy water with gentle scrubbing will make emeralds shine again Steaming can cause oil or unhardened resin to sweat out of fractures   NO
Rubyruby 9 Typically, lukewarm soapy water is favourable. Fracture-filled or dyed should only be cleaned with a damp cloth Use of acid will damage treated or untreated stones   For untreated, heat-treated, and lattice diffusion treated stones only
Tourmalinetourmaline 7 to 7.5 Lukewarm soapy water is the prefered substance for cleaning tourmaline Steaming will prove maleficent   NO
AlexandriteAlexandrite 8.5 Lukewarm soapy water is considered safe for both, untreated and fractured-filled stones Chemicals are usually not suggested for cleaning   Favourable for only untreated stones
MorganiteMorganite 7.5 to 8 Warm soapy water is the safest solution Hydrofluoric acid should be kept away   Unfavourable for liquid inclusions or fractures and fractured filled stones
TopazTopaz 8 Warm soapy water is the safest solution Steaming causes damage   NO
ZirconZircon 6 to 7.5 Warm soapy water is the safest solution Steaming causes damage Prone to impurities NO
AquamarineAquamarine 7.5 to 8 Warm and soapy water are the best ways to clean and keep your gemstone shine bright Steaming cleaning is suggested only for stones with liquid out fractures and untreated stones   Unfavourable for liquid inclusions or fractures and fractured filled stones
AmethystAmethyst 7 Warm soapy water is the safest solution Steam cleaning and heat will damage amethyst beyond repair   Favourable for only untreated stones
OpalOpal 5 to 6.5 Lukewarm soapy water is the prefered solution for cleaning Opal Detergents with phosphate can damage the stone   NO
SpinelSpinel 8 It’s always safe to clean spinel with warm soapy water Steaming is highly unfavourable   Unfavourable for stones with fractures
GarnetGarnet 7 Warm soapy water is the safest solution Steam cleaning is not recommended   Unfavourable for stones with fractures
AmberAmber 2 and 2.5 Warm soapy water is the safest solution. Use the mildest soap you can find Damaged by chemicals Do not use brush NO
MoonstoneMoonstone 6 and 6.5 Warm soapy water is the only recommended substance for cleaning Steaming and hydrofluoric acid are harmful   NO
TanzaniteTanzanite 6 to 7 Warm soapy water is the safest substance Exposure to hydrochloric and hydrofluoric acids is harmful   NO
TurquoiseTurquoise 5 to 6 Warm soapy water is the safest substance No chemicals or steaming method is recommended. Treated stones are especially suggested to be kept away from heat exposure   NO
PeridotPeridot 6.5 to 7 Warm soapy water is the safest substance Steam cleaners are not recommended   NO
IoliteIolite 7 to 7.5 Warm & soapy water works the best Steam cleaning method is suggested to be avoided   NO
JadeJade 6.5 to 7 Warm & soapy water works the best Jade stones are usually treated by dyeing, bleaching and impregnation, coatings, or heat treatment. It is suggested to use steaming or ultrasonic cleaners   Favourable for only untreated stones
KunziteKunzite 6.5 to 7 Warm soapy water is the safest substance It’s recommended to avoid steaming   NO
PearlPearl 2.5 It’s safe to use warm soapy water. However, use lint-free cloth to clean pearls after every use It’s recommended to avoid steaming Occasional cleaning is suggested NO
CarnelianCarnelian 7 Use Moist cloth for gentle strokes or rub with dry cloth briskly Steaming & boiling are not recommended   NO
CitrineCitrine 7 Warm soapy water is the safest substance Steaming and boiling, which means exposure to excessive heat, will dull the colour of your stone   NO
Lapis LazuliLapis-Lazuli 5-5.5 Warm soapy water is the safest substance Steaming & boiling are not recommended Steaming and boiling, which means exposure to excessive heat, will dull the colour of your stone NO

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GemPundit has a team of learned astrologer who will guide you in choosing the most suitable astrological gemstones on the basis of your birth-details.

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