– A real Yellow Sapphire Gems is one of the hardest known minerals. It can’t be scratched, even by steel and can be scraped only by diamond
-It won’t show any colour changes if placed in milk for nearly a day

Properties of Yellow Sapphire Gemstones
–Planet: Jupiter
–Indian Name: Pukhraj
–Sanskrit Names: Pusparaga, padparadscha , Puspa-Raja , Guru-Ratna
–Hardness: 9 (Mohs scale)
–Chakra: Vishuddha
–Cosmic Color: Light Blue

Source:
Yellow sapphires are most famously found in Madagascar and Tanzania and also in India, Sri Lanka and Russia.

Care for your Yellow Sapphire Gems:
The yellow sapphire Stone is very hard, and should be cleaned with warm detergent water and a soft brush