Silver has high level of malleability suitable for bending and forming into thin sheets. With its softness,it can’t be made into jewelry, despite of its ductility it still malleable enough to formed into jewelry pieces.
Thailand was once a major source of high quality rough stones, especially gemstones in the corundum group, including ruby, blue sapphire and fancy sapphire. Of these gems are called “precious stones”
Blue sapphire is a kind of precious blue gemstones which has been in popularity and closely connected to our ways of life and beliefs for over two thousand years.
Ruby, the highly valuable red stone hailed as the King of Gem, has been closely connected to different ways of life and spiritual beliefs for a long time.