
Sapphire
Sapphire is a precious gemstone, a variety of the mineral corundum consisting of aluminum oxide (α-Al2O3) with trace amounts of elements such as iron titanium, chromium, vanadium, or magnesium

Ruby
Sapphire is a precious gemstone, a variety of the mineral corundum consisting of aluminum oxide (α-Al2O3) with trace amounts of elements such as iron titanium, chromium, vanadium, or magnesium

Diamond
Sapphire is a precious gemstone, a variety of the mineral corundum consisting of aluminum oxide (α-Al2O3) with trace amounts of elements such as iron titanium, chromium, vanadium, or magnesium

Emerald
Sapphire is a precious gemstone, a variety of the mineral corundum consisting of aluminum oxide (α-Al2O3) with trace amounts of elements such as iron titanium, chromium, vanadium, or magnesium






