Rare Blue Sapphire corundum 6-9.5mm faceted hexagon beads (ETB00815)

Sapphire

The blue sister of ruby.  Ruby and sapphire are the same material, the mineral conrundum, and the second hardest gemstone after diamond.  Red conrundum is known as ruby, while all other colours are referred to as sapphire.  While blue is the classic sapphire colour, sapphire is actually found in a wide range of colours.  This corundum is from Africa.

Dimensions of beads:

Size: 8 x 14.5 x 7 mm
- this is only an approximate, the size varies slightly.

Length: 18.5 inches

Finishing: Polished