BLUE SAPPHIRE ROUGH GEM STONE

タイトルまたは説明

1. Blue Sapphire: The blue sapphire is one of the gem varieties of the mineral corundum. Blue sapphire exist in various  mixtures of its primary (blue) and secondary hues( purple, violet and green) that is the color of the stone. They also exist with various tonal levels(shades) and at various levels of saturation(vividness). They come in various shapes and sizes and are also uncut and untreated.
2. Blue Sapphire: The blue sapphire is one of the gem varieties of the mineral corundum. Blue sapphire exist in various  mixtures of its primary (blue) and secondary hues( purple, violet and green) that is the color of the stone. They also exist with various tonal levels(shades) and at various levels of saturation(vividness). They come in various shapes and sizes and are also uncut and untreated.