âœYou need to remember that chemicals can damage gems especially ones that tend to be softer,â Kim exclaimed. âœThe harder a gemstone the less likely you are to scratch it. Diamonds are the hardest gemstones that we know of. ...
GEMS,GEMSTONES,VARIETIES,PRECIOUS GEMS,GEMSTONES WORLD MARKET,GEM CUTTING,GEM POLISHING
âœYou need to remember that chemicals can damage gems especially ones that tend to be softer,â Kim exclaimed. âœThe harder a gemstone the less likely you are to scratch it. Diamonds are the hardest gemstones that we know of. ...