It depends on the gemstone. Here are some densities of common gemstones:
Diamond: 3.515 g/cm3
Ruby/Sapphire: 4.05 g/cm3
Emerald: 2.765 g/cm3
Amethyst/onyx: 2.625 g/cm3
Pearl: 2.71 g/cm3
the density of the blue topaz is the mass divided by the volume
The optical density of a diamond is approximately 2.42. This value indicates the extent to which a diamond refracts light, leading to its brilliance and sparkle. The high optical density of diamond contributes to its value as a gemstone.
The Netherlands doesn't have an official national gemstone. Turquoise is the national gemstone of Iran, opal is the national gemstone of Australia and amber is the national gemstone of Spain.
gemstone probably gemstone probably gemstone probably
Indiana's gemstone is the salem limestone.
Gemstone Healer was created in 1986.
There isn't really a national gemstone of China. But a really popular gemstone is Jade.
Alaska's state gemstone is Jade.
no copper is not a gemstone copper is a metal
Turquoise is the official gemstone of Nevada.
I dont think theres an official gemstone for the US but there is a Official gemstone for each state.
The Density of an Amethyst Rock is 2.65 according to many sites.