DIAMOND April's Birthstone Diamond Information For your gem needs Click Here To Visit My Store CHEMISTRY C CRYSTALLOGRAPHY Isometric REFRACTIVE INDEX 2.417 HARDNESS 10 SPECIFIC GRAVITY 3.515 CLEAVAGE Perfect 4...
Purity: The purest form of Gold considered 24 karats is equal to roughly 99.9 percent purity. Sometimes when looking at the stamp inside of gold rings, bracelets or other gold jewellery the numerical...