Blue Sapphire - Tumble Quality:Staff Pick or even for displaying your

or even for displaying  your favorite small stones on

Option 2: Faceted Black Spinel

Material: Plastic

Copper Nail Diameter: 5

Blue Sapphire - Tumble Quality:Staff Pick or even for displaying yourMined from: India Description: Sapphire is a precious gemstone belonging to the corundum family, which is a crystalline form of aluminum oxide. It is the second hardest natural mineral, ranking 9 on the Mohs scale, just below diamond. The color of blue sapphires is caused by the presence of trace amounts of titanium (Ti) and iron (Fe), which replace some of the aluminum atoms in the crystal lattice. These titanium and iron ions absorb certain