Gemstone Care & Precautions Unfortunately diamond and other gemstones are not necessarily for forever. Most stones are more or less brittle, many are quite soft, and some could be damaged by heat, vibration, or chemicals. Unfortunately, this trend has not yet started in Gem 'n' Jewellery industry to educate their customers about how to care for their purchased gem. Below are few of the tips for caring gemstones:

Precautions:  

-	Gemstones with a hardness of below 8 Mohs are not resistant to scratching.
-	Harder stones, though less effected by scratching, are highly subject to chipping & fracture.
-	Diamonds are relatively more brittle & can be easy chipped by hard blow.
-	Some stones like Tanzanite, pearl, coral, amber, lapis, malachite etc are subject to internal stress.
-	Too long exposure of stones to sunlight or even jeweler's torch is disastorous.
-	Ultrasonic cleaners also affect gemstones adversely.
-	Setting can also prove to be disastrous. Bezel settings are preferable as far as protection of stones is concerned.
-	Dirty water or oil can decolourize pearls, coral & other porus stone such as turquoise, opal etc

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