E. natural sapphires and never anything that mimics the stone. On The ten place Mohs Scale of hardness, Sapphire scores nine rendering it a very robust gemstone only marginally at the rear of diamond which scores an ideal 10. The higher score simply just means that in case you have https://medium.com/@thegemjournal/best-places-to-buy-sri-lankan-pukhraj-ea919f2bd00d